... fractured limestone 裂缝性灰岩 fractured model 裂缝模型 fractured porous media 裂缝性孔隙介质 ...
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Introduce the article of unbonded prestressed concrete structure at home and abroad to develop an overview of the finite element method outlined the basic calculation steps to determine the material constitutive relation,strengthening model,crack model and non-linear calculation method.
文章介绍了无粘结预应力混凝土结构在国内外的发展概况,简述了有限元方法的基本计算步骤,确定了材料的本构关系、强化模型、裂缝模型和非线性计算方法。
参考来源 - UPPC异型板梁受力性能的分析·2,447,543篇论文数据，部分数据来源于NoteExpress
两种不同频域方法的一致结果，证明了理想裂缝模型解的正确性。
The time-harmonic responses of the system are first calculated by using an integral formulation of an ideal crack model.
将粘弹塑性统一本构理论引入程序中，同时采用了已经比较成熟的破坏准则和裂缝模型。
In this program the author adopt the viscoelastic-plastic unified constitutive theory, at the same time adopting the Kupfer-Gerstle destroy rule and mixed crack model.
运用上述强度准则及有限元分离裂缝模型提出了拱坝开裂的计算方法，并给出了应用实例。
The calculated method of crack extension of arch DAMS is proposed using this strength criterion and finite element discrete crack model, and with some practical examples given.
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