研究目的
Investigating the laser ablative Rayleigh–Taylor instability in the context of inertial confinement fusion to control the growth of flow instability during implosion.
研究成果
The developed code is reliable for simulating the laser ablative Rayleigh–Taylor instability, providing a foundation for further study on the evolution and control of such instabilities in inertial confinement fusion. Future enhancements will include the physical process of radiation transport and spherical coordinate simulations.
研究不足
The study simplifies the effect of radiation transport by a preheated function and does not include the physical process of radiation transport. Future work will include this process and study the simulation method in spherical coordinate.
1：Experimental Design and Method Selection:
The study employs a three-dimensional Euler hydrodynamic module, an one-dimensional vertical incident laser energy deposition module, and an electronic thermal conductivity module. The methodology includes the use of open source codes for efficiency.
2：Sample Selection and Data Sources:
The study uses benchmarks such as the weakly nonlinear Rayleigh–Taylor instability with double interfaces, one-dimensional heat conductivity, laser ablative plane target, and laser ablative Rayleigh–Taylor instability for validation.
3：List of Experimental Equipment and Materials:
The study utilizes a massively parallel laser ablative Rayleigh–Taylor instability code developed based on Euler method, incorporating simulations of hydrodynamics, laser energy deposition, and electronic thermal conductivity.
4：Experimental Procedures and Operational Workflow:
The code is tested against analytical theories and numerical results to validate its accuracy and reliability in simulating the laser ablative process.
5：Data Analysis Methods:
The study compares numerical simulation results with analytical solutions and experimental results to evaluate the code's performance.
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