例句與用法

1. the mesh of finite element was generated automatically to simulate the true fabric of concrete . the different material property of elements was identified and assigned automatically . the nonlinear constitutive relation of materials was established
   采用非線性本構(gòu)模型來表征組成三級(jí)配混凝土的各種材質(zhì)的非線性應(yīng)力?應(yīng)變關(guān)系，該本構(gòu)模型具有可以模擬材料的開裂、拉伸軟化、塑性屈服和壓碎非線性等特點(diǎn)。
2. the details as followed : 1 . summarize and analyze the methods of meso-mechanics of concrete and researching documents on the theory of damage of concrete; 2 . based on the packing approach of spherical aggregates, a method generating polygon aggregate model of concrete was presented, by which the codes of aggregate packing and meso-meshes of finite element plotting were designed taking into account the actual aggregate content, grading, and aggregate configuration
   具體工作由以下幾個(gè)方面:1.分析總結(jié)了混凝土細(xì)觀力學(xué)分析方法和現(xiàn)有混凝土材料損傷破壞理論的研究成果;2.在研究圓形骨料投放方法的基礎(chǔ)上,提出了一種多邊形隨機(jī)骨料投放方法,并編制了凸多邊形模型生成程序和細(xì)觀有限元剖分程序。這種生成方法所得到的凸多邊形骨料模型既反映了骨料的實(shí)際形態(tài)又維持骨料的實(shí)際級(jí)配和含量。