确定此系统的内部边界条件成为发动机传热研究的难点。
How to confirm the internal boundary condition is a difficulty for above fluid-solid coupling heat transfer system.
确定上述固体、流体耦合传热系统的内部边界条件成为发动机传热研究的难点。
It is difficult to confirm the internal boundary condition for the above fluid-solid coupling heat transfer system.
此外，还提出了对不同的边界条件、求解域内部边界、介质分界面和时谐场方程的处理技术以便应用该预处理器。
Besides, some techniques for boundary conditions, interior boundaries, interfaces between different dielectric media and time harmonic equation are proposed for the employment of this preconditioner.
应用推荐