Announcement on the Release of the 2024 NSAF Joint Fund Project Guidelines
2024 NSAF Joint Fund Project Guide
The National Security Academic Fund (NSAF Joint Fund) jointly established by the National Natural Science Foundation of China and the China Academy of Engineering Physics aims to leverage the platform and management advantages of the National Natural Science Foundation of China and attract and mobilize the strength of universities and scientific research institutions across the country. Conduct basic research related to national security, explore new research directions, cultivate high-tech national defense talents, and promote the improvement of source innovation capabilities in national security-related fields.
1. Main research directions
In 2024, the NSAF Joint Fund will provide funding in the form of key support projects. The funding period is 4 years, and the average funding intensity of direct costs is approximately 2.6 million yuan per project.
The large scientific facilities opened this year are: China Mianyang Research Reactor and its neutron science platform, “Starlight III” laser facility, and high average power terahertz free electron laser facility.
1. Research on efficient three-dimensional particle transport algorithms adapted to domestic heterogeneous computer systems (for application code 1, select the subordinate code of A05)
In view of the architectural characteristics of domestic heterogeneous super-parallel machines, research on efficient parallel algorithms and parallel programming technologies for new three-dimensional unstructured grid particle transport calculation methods is carried out to solve the problem of weak locality, low degree of parallelism and difficulty in adapting to multi-level parallelism of traditional algorithms. solve the problem of coordination and realize highly scalable parallel computing of complex multi-physics coupling of three-dimensional particle transport in heterogeneous systems.
2. Research on identification and scalability of key features of parallel programs based on knowledge-embedded multi-modal mechanism (for application code 1, select the subordinate code of A05)
In view of the problem of parallel scalability of scientific computing programs in ultra-large scale, research on the construction method of feature point distribution of parallel programs based on uniform coverage and the optimization method of program feature point distribution based on static and dynamic reconstruction, and develop the method based on the knowledge embedded model. The key feature identification technology of parallel programs uses multi-modal mechanisms to optimize feature identification effects and predict program performance and power consumption characteristics at ultra-large scale.
3. Research on the water-solid coupling mechanism of high-speed projectile inflow and ballistic instability suppression method (for application code 1, select the subordinate code of A08)
To meet the needs of equipment reliability assessment during the high-speed movement of projectiles into water, develop multi-phase flow fine interface capture and fluid-solid coupling methods, study the flow field evolution and structural response characteristics of the water entry process, and reveal the gas-liquid-solid coupling and water entry ballistic stability mechanisms. , proposed a ballistic instability suppression method.
4．Multi-scale confined space flow-chemical reaction multi-component gas long-term evolution model and acceleration algorithm research (application code 1 selects the subordinate code of A09)
Aiming at the problem of accurately predicting the state of multi-component gases in multi-scale confined spaces (10 -4 m ~1m) containing various chemical reaction boundaries and space gas flows, research on multi-component gases (H 2 O, O 2 , H 2 , N 2 , CO 2 , Ar, etc.) spatio-temporal multi-scale modeling method, reveal the flow-chemical reaction coupling mechanism, study the twin method of model reduction acceleration calculation and data-real combination, carry out model verification and confirmation, and achieve annual time scale Gas evolution assessment and prediction.
5. Research on the instability mechanism and regulation of strong shock wave impact fluid interface (for application code 1, select the subordinate code of A09)
Based on the stably generated high-intensity plane shocks and convergent shocks with Mach number above 3, establish the initial interface generation method and its disturbance mode characterization method, obtain the interface evolution process and flow structure, and reveal the disturbance mode coupling competition and the memory of the initial conditions. , turbulent mixing and other laws, clarify the instability mechanism of complex fluid interfaces, and propose effective control methods for the growth of interface disturbance.
6. Research on the instability of strength medium interface under extreme loads (for application code 1, select the subordinate code of A12)
Establish experimental loading and test diagnosis capabilities for strength medium interface instability under Mbar level pressure, study the dependence between the growth of interface instability and initial disturbance spectrum, pressure, loading path and other parameters, and clarify the relationship between strength under high pressure and high strain rate The stabilizing mechanism and law of interface instability growth are discussed, and a constitutive model calibration method based on interface instability growth is proposed.
7. Research on the multi-scale mechanism, characterization methods and deep learning model of typical metal dynamic damage and fracture behavior under strong impact (for application code 1, select the subordinate code of A12)
Develop a micro-meso-macro multi-scale simulation method for typical metal dynamic damage and failure behavior under strong impact, reveal the multi-scale statistical rules and internal mechanisms of dynamic damage and failure under strong impact, and construct micro-meso-macro structures of related materials and strong impact Dynamic damage evolution and failure prediction deep learning models of load characteristics, and the development of corresponding material strong impact mechanical response description methods.
8. Research on the energy conversion mechanism and response behavior of ferroelectric thin films under impact (for application code 1, select the subordinate code of A12)
In response to the demand for improving the performance of high-energy ferroelectric pulse power supplies, study the energy conversion mechanism of typical ferroelectric films (stacks) during the impact process; reveal the influence of ferroelectric film thickness on impact phase change and discharge behavior, and clarify the ferroelectric film “Scale-structure-energy” correspondence relationship; explore the impact of irradiation on the impact discharge behavior of thin films (stacks); propose a design scheme for ferroelectric thin film (stacks) power devices with ultra-large current output.
9. Research on the ignition mechanism of high-energy explosives irradiated by high average power terahertz free electron laser (for application code 1, select the subordinate code of A12)
Focusing on the needs of research on the safety of high-energy explosives, establish an ultra-high time-resolution transient diagnostic experimental method for molecular chemical bond resonance energy absorption to induce explosive ignition, and conduct research on the energy absorption, energy transfer, and temperature rise of PBX explosives leading to ignition under strong coherent terahertz waves. Research on new physical phenomena reveals the dose-effect relationship between explosive ignition response and terahertz wave energy injection.
10. Theoretical and simulation research on the X-ray optical frequency comb generated by the interaction between strong laser and electron beam (for application code 1, select the subordinate code of A22)
In view of the current problem that the energy of optical frequency combs cannot break through the extreme ultraviolet band, research on using high-energy electrons to radiate in strong laser fields to produce Quasi-quantum algorithm for simulating the electron radiation process in complex systems, studying the different radiation mechanisms of high-energy electron beams in multiple strong laser fields, and proposing theoretical and experimental plans for generating X-ray optical frequency combs.
11. Research on flow characteristics and beam target action mechanism of heavy water jet target of strong current neutron source (for application code 1, select the subordinate code of A28)
Focusing on the neutron generation process based on the interaction between a strong current ion beam and a high-speed heavy water jet target, the evolution and stability of the multi-phase flow structure of a large aspect ratio rectangular heavy water jet target under the action of a strong current pulsed ion beam is studied to reveal the thermal-fluid-electricity Based on the bubble evolution mechanism and its influence on neutron yield under the action of chemical multi-field coupling, heavy water jet target design criteria for strong flow neutron sources are proposed.
12．Research on the energy deposition and transport characteristics of high-energy charged particles in plasma under extreme conditions (for application code 1, select the subordinate code of A29)
In view of the complex environmental effects and coupling of multiple physical processes involved in the transport of high-energy charged particles in plasmas under extreme conditions, research on the transport of charged particles in plasmas driven by heavy ion beams under extreme conditions has been carried out, revealing the complex and multifaceted nature of plasmas. The mechanism of the influence of bulk interaction and quantum degeneracy effect on the energy deposition and range distribution of charged particles, and the development of theoretical research methods and experimental verification techniques for the energy deposition and transport characteristics of charged particles in plasmas with a wide range of temperature and density states.
13. Research on the law of non-equilibrium radiation ablation of low-Z substances (for application code 1, select the subordinate code of A29)
Establish a non-equilibrium high-temperature X-ray radiation source, achieve breakthroughs in key experimental technologies such as low-Z material non-equilibrium radiation ablation source spectrum and electron temperature spatio-temporal distribution characterization, carry out experimental research on low-Z material non-equilibrium radiation ablation, and obtain the electron temperature spatio-temporal distribution, The evolution process of radiation energy spectrum, burn-through depth, ablation pressure and other physical quantities, combined with theoretical simulations, reveal the influence of non-equilibrium radiation sources, material density, doping parameters on ablation rate, ablation pressure and other parameters.
14. Research on the instability of laser plasma under high-energy and high-power beam conditions (for application code 1, select the subordinate code of A29)
Develop the multi-temporal and spatial scale theory and numerical simulation capabilities of clustered laser plasma instability (LPI), study the clustering effects such as shared wavelets and the physical mechanism of LPI saturation; study beamlet polarization smoothing and random polarization smoothing based on the divine light clustering conditions The sliding equalization beam smoothing method suppresses the physical mechanism of LPI, proposes innovative beam smoothing methods, clarifies the applicable physical conditions of various cluster smoothing methods, and provides support for the use of multiple beam smoothing methods to optimize physical solutions.
15. Research on pulsed neutron sources based on strong laser devices and their radiation damage effects (for application code 1, select the subordinate code of A30)
In response to the research needs on the damage effects of chips in complex radiation environments, we carry out modeling and numerical simulation of the entire process from laser-driven neutron source generation to application in radiation damage research, and study pulses with high throughput and close to the real space neutron energy spectrum. Neutron generation mechanism, explore the microscopic mechanism of radiation damage induced by pulsed neutron sources; based on strong laser devices, build a neutron radiation damage experimental platform and conduct experimental research to reveal the nonlinearity of high-flux pulsed neutron source irradiation chips effect.
16. Research on the plastic deformation mechanism of uranium alloys based on neutron diffraction technology (for application code 1, select the subordinate code of A30)
In response to the needs of predicting the mechanical properties and aging assessment of U-Nb alloys, the microstructure evolution process under temperature-stress environment is studied based on neutron diffraction technology, and a mechanical model containing plastic deformation mechanisms such as grain orientation distribution, phase transformation, and slip twinning is constructed. Reveal the plastic deformation mechanism and intergranular stress evolution process, and realize the quantitative correlation of “performance-microstructure-deformation mechanism”.
17．Research on the singular ground state behavior and mechanism of uranium-based materials based on neutron scattering technology (for application code 1, select the subordinate code of A30)
In order to meet the needs of understanding the ground state properties of uranium-based materials such as magnetic order, unconventional superconducting state, and hidden order, a data analysis method of quasi-elastic neutron scattering technology and multi-phase multi-component coupling was established, and the neutron scattering method was used to study uranium-based materials. The material’s electronic structure and dynamic properties such as phonon spectrum, spin wave, and diffusion behavior reveal the physical mechanisms behind its complex phase transitions and dynamic properties, and control and realize at least two novel quantum critical phenomena.
18．Photon FLASH radiotherapy pulse mode and biological mechanism research (for application code 1, select the subordinate code of A30)
Focusing on the biological effect mechanism of photon FLASH radiotherapy, focusing on the dynamic process of radiation-induced DNA damage, based on the high average power terahertz free electron laser device, the dose rate effect and immunological mechanism of ionizing radiation regulating the body’s inflammatory response are studied; ultra-high dose rate The flexible control method of ray time structure studies the critical physical conditions that trigger the FLASH effect, providing theoretical basis and design methods for the development, measurement standard setting and clinical transformation of FLASH photon radiotherapy devices.
19．Research on the metallurgical mechanism of microwave-enhanced melting of actinide alloys (for application code 1, select the subordinate code of E01)
In response to the need to improve the level of cleaning and homogenization of actinium series alloys, the mass transfer dynamics and substructure evolution rules of alloy elements based on microwave-enhanced melting were studied, and the control method and method of impurity carbon under the coupling effect of electromagnetic effects and micro-region material motion were obtained. Its influence on alloy homogenization explains the metallurgical mechanism of purified smelting of actinide alloys under the action of microwaves.
20．Research on the evolution law and microscopic mechanism of the interface bonding performance between uranium metal and nitride layer (for application code 1, select the subordinate code of E01)
Construct an interface structure model between uranium metal and nitride layer, study the interface stability and the influence of environmental atmosphere on it, reveal the evolution rules of interface properties at different temperatures and environmental atmospheres, design an interface structure of nitride layer with excellent corrosion resistance, and develop Method for evaluating the corrosion resistance of nitride layers under long-term storage conditions.
twenty one. Basic research on coating interface design and service mechanism of key carbon structural materials for extreme environments (for application code 1, select the sub-code of E01 or E02)
In response to the demand for protective coatings for graphite containers for high-activity metal melts at 1600°C, research on material composition, coating structure and interface combination design was carried out, and a method for uniform deposition of surface coatings on complex narrow curved surface components by atmospheric plasma spraying was proposed to reveal thermal-mechanical-chemistry Coupling the coating structure and performance evolution rules under high-temperature nuclear environment, effective control of carburization and exfoliation inclusions in the melt is achieved.
twenty two. Research on the time-varying behavior and aging mechanism of TATB-based PBX under long-term thermal load (for application code 1, select the subordinate code of E03)
In response to the needs for performance evaluation and prediction of TATB-based PBX, the influence of thermal load on PBX microscopic damage, binder condensed structure, interface characteristics, and mechanical properties and its mechanism are studied, and a multi-scale aging model of TATB-based PBX is established to predict its long-term aging. Time-varying behavior under thermal loading.
twenty three. Research on the design and structure-activity relationship of mechanically programmable silicone elastomer metamaterials in a large compression range (for application code 1, select the subordinate code of E03)
In response to the development needs of high-performance silicone elastomer foam, study the influence of bulk material properties, cell morphology and three-dimensional spatial structure on the mechanical properties of silicone elastomer metamaterials, establish the mechanical structure-activity relationship, and develop structural design methods and additive materials Manufacturing technology to achieve controllable preparation of mechanically programmable silicone elastomer metamaterials over a large compression range.
twenty four. Adaptive structural design and aging research of silicon foam materials in the coupling field of radiation and mechanical force (for application code 1, select the subordinate code of E03)
In view of the high environmental adaptability requirements of silicon foam materials, carry out research on the damage and aging of silicon foam materials in the coupling field of radiation and mechanical force, establish multi-scale and multi-level structure optimization design methods such as molecular structure, cross-linked network, mesoscopic structure, etc., and develop Material radiation damage adaptive structural design theory, research on the preparation technology of new structure adaptive silicon foam materials, and obtain silicon foam materials with the function of in-situ repair of radiation-mechanical force coupling damage.
25. Research on the composite strengthening method and mechanism of ultrafast laser in-situ layer-by-layer forging and selective laser melting of TC4 titanium alloy (for application code 1, select the subordinate code of E05)
In response to the major demand for high fatigue performance of titanium alloy additive structural parts, research on the coupling strengthening method and mechanism of ultrafast laser in-situ layer-by-layer forging and laser selective melting was carried out to reveal the “thermal field” of additives and the “force” of ultrafast laser in-situ impact The thermal coupling mechanism of “field” elucidates the cross-scale multi-level stress field, microstructure regulation and defect suppression mechanism.
26. Research on the theory and method of precise control of atomic-level defects on the surface of strong laser optical components (for application code 1, select the subordinate code of E05)
In response to the urgent need to continuously improve the laser damage resistance of strong laser optical components, the formation mechanism, detection principle and control method of atomic level defects under the action of non-contact energy fields are studied, and the processing technology, defect properties and damage performance in the non-contact energy field manufacturing process are clarified. Correlation, a method for characterization and evaluation of atomic-level defects on the surface of optical components is proposed.
27．Research on the surface contamination formation mechanism and in-situ cleaning control method of high-power and large-aperture optical components (for application code 1, select the subordinate code of E05)
In view of the ultra-clean control requirements of high-power laser systems for laser inertial confinement fusion on large-diameter optical components, the generation mechanism and spatial diffusion evolution rules of contaminants under high-power laser excitation are studied, and the damage caused by the coupling effect of surface contamination and defects on optical components is revealed. Behavior and mechanism, a new method for in-situ multi-energy field composite control of contaminants on the surface of optical components is proposed.
28. Research on the low-temperature rapid activation mechanism and performance optimization method of high energy storage density liquid storage battery (for application code 1, select the subordinate code of E05 or E06)
In response to the demand for low-temperature fast activation and high-density energy storage in liquid-storage storage batteries, the cascade modeling simulation method of the dynamics of the activation structure and the infiltration and diffusion of porous media electrolyte is studied to reveal the structure-surface interface against fluids driven by extreme mechanics. The modulation mechanism of diffusion and transport is proposed to optimize the design method of the central pipe/electrode microfluidic structure and the tribological characteristics of the electrolyte to achieve rapid and uniform infiltration of low-temperature electrolyte in the non-uniform multi-layer porous electrode and improve battery performance.
29．Research on efficient coupling mechanism and control method of high-density non-resonant low-temperature plasma excited by millimeter waves (for application code 1, select the subordinate code of F01)
In view of the application requirements of high-density low-temperature plasma in new semiconductor manufacturing processes, research on the principle of efficient coupling and excitation of high-density non-resonant low-temperature plasma based on high-power millimeter waves, and research on high-density plasma impedance detection and matching, plasma parameters Control mechanisms and methods, and carry out high-density low-temperature plasma excitation experiments to verify.
30. Research on the transmission characteristics and anti-interference waveform of integrated synaesthesia signals under complex flowing plasma (for application code 1, select the subordinate code of F01)
In view of the requirements for reliable communication and high sensing accuracy in the cross-medium flight electromagnetic environment of the high-speed aircraft synaesthesia integrated measurement system, the broadband electromagnetic effect, flow and turbulence multi-factor space-time-frequency dynamic interference mechanism under complex flowing plasma are studied, and the complex electromagnetic interference mechanism of radio waves is revealed. Propagation mechanism in flowing plasma, broadband channel modeling characterization and synaesthetic integrated measurement anti-interference waveform design optimization method under parasitic modulation dispersion coupling interference are proposed and verified.
31．Anti-interference integrated silicon-based terahertz programmable multi-beam array chip technology for next-generation mobile communications (for application code 1, select the subordinate code of F04)
In view of the anti-interference integrated application requirements and beam tracking and aiming problems, explore the energy transfer model and multi-physics coupling mechanism of the array chip, clarify the terahertz amplitude-phase coupling mechanism, propose a silicon-based terahertz programmable multi-beam array chip architecture, and study high-speed Key technologies include high-precision amplitude and phase adjustment, dynamic direct power synthesis, beam energy aggregation and reconfigurable analog baseband.
32. Research on the theory and methods of controlling highly doped fiber materials for high-power lasers (for application code 1, select the subordinate code of F05)
In view of the problem of suppressing nonlinear effects of high-power fiber lasers, we study the thermodynamic mechanism during the preparation and processing of ytterbium-doped optical fiber materials, clarify the influence of fiber material composition and structure on the nonlinear transmission performance of light beams, and develop new high-power lasers to improve the power threshold. Doping fiber optic materials and enabling verification.
2. Application requirements
(1) Applicant conditions.
Applicants should meet the following conditions:
1. Have experience in undertaking basic research projects or other basic research;
2. Hold senior professional and technical positions (professional titles);
Postdoctoral researchers at the station, those who are pursuing a graduate degree, and those who do not have an employer or whose unit is not a supporting unit are not allowed to apply as applicants.
(2) Regulations on limited applications.
Implement the relevant requirements of the limited application provisions in the “Application Regulations” of the “2024 National Natural Science Foundation of China Project Guide”.
3. Things to note when applying
Applicants and supporting institutions should carefully read and implement the relevant requirements in this project guide, the “2024 National Natural Science Foundation of China Project Guide” and the “Notice on 2024 National Natural Science Foundation of China Project Application and Finalization and Other Related Matters”.
1. This joint fund project adopts paperless application. The application submission time is from April 15 to 16:00 on April 20, 2024.
2. This joint fund is open to the whole country and competes fairly. For cooperative research projects, the cooperation content and main division of labor of the cooperating parties should be clearly stated in the application. The number of cooperative research units for key support projects shall not exceed 2.
3. Applicants can only apply for one NSAF joint fund project in the same year.
4. Applicants log in to the National Natural Science Foundation of China Network Information System (referred to as the information system) and write the application online. Applicants who do not have an information system account should apply to the fund management contact person of the supporting unit to open an account.
5. Select “Joint Fund Project” for the funding category of the application, and select “Key Support Projects” for the subcategory description; select “NSAF Joint Fund” for the notes. Application code 1 should be selected in accordance with the requirements of this joint fund project guide, and application code 2 should be selected according to the project. Select the corresponding application code for research content funding; select the corresponding direction name according to the project research direction for “Main Research Direction”, such as “1. Research on efficient algorithms for three-dimensional particle transport adapted to domestic heterogeneous computer systems”, and the research period should be filled in “2025 January 1, 2028 – December 31, 2028.”
6. If the applicant has already undertaken other national science and technology plan projects related to this joint fund, the differences and connections between the applied project and other related projects should be discussed in the “Research Basis and Working Conditions” section of the main body of the application.
7. Applicants should accurately grasp the positioning of the NSAF joint fund, understand the demand background and requirements of the relevant guidelines from the Research and Technology Department of the China Academy of Engineering Physics before applying, and are encouraged to jointly apply for projects with relevant units of the co-sponsor. For the introduction and contact information of large science devices, please refer to the “2024 NSAF Joint Fund Guide – Introduction to Large Science Devices” on the homepage of the China Institute of Engineering Physics (http://www.caep.cn).
8. The content of the key support project application must completely cover all research contents in the selected research direction.
9. After the application project is reviewed and approved, the applicant and his/her unit will receive a notice of signing the “NSAF Joint Fund Funding Project Agreement”. After receiving the notice, the applicant should promptly contact the Research and Technology Department of the China Academy of Engineering Physics and complete the signing of the agreement within the time specified in the notice.
10. The host unit shall complete the host unit’s commitment letter, organization application, and review of application materials as required. Submit the unit’s electronic application and attachment materials through the information system item by item before 16:00 on April 20, 2024, and submit the unit’s project application list online before 16:00 on April 21.
Contact information
National Natural Science Foundation of China Planning and Policy Bureau
Contact person: Li Zhilan Liu Quan
Tel: 010-62329897, 62326872
Research and Technology Department, China Academy of Engineering Physics
Contact person: Chen Baixue Liu Dongyan
Tel: 0816-2480359, 2488728