four free edges 四边自由
Based on the bending theory of flat plate with extensive three displacement, this paper used the energy variation method to calculate and analyze the moderately thick rectangular plates problem with four edges free on the elastic half-space foundation.
本论文在具有三个广义位移的平板弯曲理论的基础上，采用能量变分法计算和分析了弹性半空间地基上四边自由矩形中厚板问题。
参考来源 - 弹性半空间地基上四边自由矩形中厚板的变分解·2,447,543篇论文数据，部分数据来源于NoteExpress
As an example, the frequency and its vibration mode of a rectangular plate with four edges free have been solved.
以四边自由矩形板为例求解了板的频率及其振型。
A square plate with four edges free, supported at four corners, and loaded uniformly distributed or concentrated are calculated by this general analytical method, which gives the accurate solution.
采用该解析法对四边自由四角支承的承受均布载荷或集中载荷的方板进行了计算，给出了精确的解。
The nonlinear dynamic and static analysis of rectangular plates with four free edges on elastic foundation is a rather complicated problem in the theory of plates.
弹性地基上四边自由矩形板动力和静力问题的非线性分析是板理论中的一个特别困难的问题。
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