density of strain energy 中文意思是什麼
density of strain energy
解釋
應變能密度-
Failure criterion of strain energy density and catastrophe theory analysis of rock subjected to static - dynamic coupling loading
動靜組合加載下巖石破壞的應變能密度準則及突變理論分析 -
As a new type of functional material which has been developed in recent years, rare earth - iron giant magnetostrictive materials has many advantages, such as large magnetostriction strain, high coupling coefficient, quick response, high energy density and so on, which make it have good application future in fields of precision driving and microdisplacement based on the new type of functional material, this paper uses new principles and approaches to study this kind of microdisplacement actuator and its precision driving system
稀土鐵系超磁致伸縮材料就是近年來發展起來的?種新型的功能材料，具有磁致伸縮應變大、機磁耦合系數高、響應速度快、能量密度高等優點，已在精密驅動及微位移執行器等領域顯示出良好的應用前景。本論文以這種新型的功能材料為基礎，以基於該類材料的微位移執行器及其精密驅動系統為研究對象，並採用一些新的原理和方法，為新型、高性能微位移執行器及其精密驅動系統的研究提供一個新的途徑與思路。 -
The results showed that yielding the strength increase with the strain rate, the energy absorption increase with increasing strain rate and was related to the density. strain has slightly effect on the strain rate sensitivity of the solid material, but the strain rate sensitivity of fs increase with increasing true strain and also increase with incremental change in strain rate at the same true strain. the properties of thermal conductivity, electrical conductivity and electromagnetic shielding were studied
實驗結果表明，泡沫鋁的屈服強度隨著應變率的增加而增加；應變對固體材料的應變率敏感度影響很小，但是泡沫鋁的應變率敏感度不是常數，而是隨著真應變的增加而增大，在同樣的應變下，隨著應變率變化幅度的增大而增大；泡沫鋁的能量吸收隨著應變率的增加而增加並且和泡沫鋁的密度有關；泡沫鋁的吸能效率隨著應變率的增加略有下降。 -
The giant magnetostrictive material is a new type of magneto - mechanical energy conversion material. it has giant magnetostrictive strain, high power density, high electromechanical coupling coefficient, high response speed and high force output
超磁致伸縮材料是一種新型的磁?機械轉換材料，具有磁致伸縮系數大，能量密度高，機電耦合系數大，響應速度快等優點。 -
A reasonable criterion to control error of element was studied. base upon this criterion, an indicator to drive the mobile node of bce was presented. in order to improve the efficiency, an implementing scheme ( according to the distribution of strain energy density ) was suggested when to consider the fact that the high gradient usually appears only in a very local region, especially in the case of huge amount of computation
3 .在誤差控制方面，提出了bezier移動節點單元法中節點移動的收斂判據，研究了節點移動的導向原理；在mathematica和fortran環境下實現了完整的計算編程；在處理高梯度問題的實際應用中，提出了高應變能密度區的局部化處理的求解方案。 -
According to the strain energy density factor criterion under mixed - mode of i and ii, the distortional strain energy density factor criterion and dilatational strain energy density factor criterion are given. the twin shear stress criterion is applied to the v - notch problem under mixed - mode of i and ii
基於-復合型v型切口的應變能密度因子準則，提出了形狀改變能密度因子準則和體積改變能密度因子準則，將雙剪應力準則有效地應用到-復合型v型切口問題。 -
Because the calculation of j - integral is much simpler than other method, and the multilayers and interfaces are ubiquitous in microelectronic packaging structures, it is expected that this method will be widely used in the calculation of the strain energy release rate in high density electrical packaging, especially
並通過實例證明，此新方法對于界面分層問題是可行的。由於j積分計算十分簡便，因此扁平小矩形路徑j積分方法有望在電子封裝分層能量釋放率計算中得到廣泛的應用。
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