Conclusion: Cable and gap elements are reasonable boundary conditions of the finite element model of mandible, which will improve the similarity of the model.
结论：采用柔索约束、间隙元作为下颌骨及髁突的边界条件，可提高模型的相似性，为下颌骨的受力分析奠定基础。
The flow field and thermal environment of gap in solid rocket nozzle were simulated by finite element method.
用有限元素法数值模拟了固体火箭发动机喷管内缝隙的流场和热环境。
The gap of shear force among finite element simulation, the tested value and calculated value, the results confirmed the correctness of finite element simulation.
有限元模拟得到的剪切力与实测值和经验公式计算值差距很小，证实了有限元模拟结果的正确性。
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