The calculated result is consistent with that by finite element method and transfer matrix method.
与“有限元法”和“传递矩阵法”的计算结果进行了对比，结果基本一致。
Matrix step is low by using the finite element transfer matrix method. Natural frequency by calculation approaches to actual natural frequency and the error is allowable.
用有限元传递矩阵法分析火炮身管固有振动特性，矩阵阶次低，计算所得的固有频率与实际固有频率接近，误差在允许的范围内。
Using finite element method, the stress transfer in a matrix cracked fiber reinforced composite is studied.
本文用有限元法研究了具有基体裂纹的纤维增强复合材料内的应力传递问题。
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