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1)  plastic potential theory
塑性位势理论
1.
On the basis of Mises yield criterion this paper calculates the plastic strain increments by using the rule of orthogonal flow and the plastic potential theory.
基于Mises准则并采用正交流动法则和塑性位势理论求得塑性应变增量。
2.
Numerous geotechnical experiments and engineering experiences show that the traditional plastic potential theory can not describe the basic mechanical behavior of geomaterials.
大量岩土实验与工程实践表明传统塑性位势理论无法合理反映岩土材料的基本变形机制。
3.
So firstly,the flow rules of the plastic shear strain are studied in the frame of the conventional plastic potential theory.
为此,在传统塑性位势理论的框架内对塑性剪应变的发展规律,以及通过非平滑处理后塑性剪应变的发展规律进行了理论研究。
2)  generalized plastic potential theory
广义塑性位势理论
3)  theory of plasticity potential energy
塑性势理论
1.
The ultimate bearing capacity of the soil around the Push-extend Multi-under-reamed Pile is decided, according to the failure principle of soil and the theory of sliding line, at the same time, the calculate model of the soil stress is applied, to combine the theory of plasticity potential energy wi.
根据挤扩多盘桩盘下土体的滑移破坏形式,运用滑移线理论确定的盘下土体应力计算模式,结合塑性势理论和虚功原理,确定挤扩多盘桩的土体极限承载力,修正并完善了现有的桩端承载力及桩侧阻力的计算公式,提出了全新挤扩多盘桩单桩承载力的计算公式。
4)  potential theory
位势理论
1.
Based on the generalized potential theory and the basic principles of damage mechanics,the damage process of soil was studied,and the relative conceptions about generalized damage and restricted damage were presented.
基于广义位势理论与损伤力学基本原理,对在广义位势理论中土料的损伤过程进行研究,提出广义损伤与狭义损伤的相对概念,从广义位势理论与损伤势函数的角度考虑摩擦材料的损伤与破坏过程,讨论广义位势理论中土料的损伤模型。
2.
The paper gives a systemmetical and comprehensive description and comparation to traditional plasticity potential theory and generalized plasticity potential theory (including two cases:stress main axis revolving or not).
就传统塑性位势理论与广义塑性位势理论(考虑和不考虑应力主轴旋转两种情况下)进行了系统的综述与比较。
3.
Kress via potential theory.
Kress在文献[1]应用位势理论作了很完备的阐述。
5)  plastic complementary potential
塑性余位势
1.
Fundamental and mechanical study of plastic complementary potential theory in strain space;
应变空间塑性余位势理论的力学基础研究
6)  plastic theory
塑性理论
1.
Based on the theory of composite elastic beam and the simplified plastic theory, a theoretical formula is proposed f.
基于组合梁弹性理论和简化塑性理论,提出新型组合梁的正截面承载力的建议计算公式,计算值与试验结果吻合良好。
2.
In this paper,the recent development and its application of the weighted residual method in plastic theory was simply generalized.
对加权余量法在塑性理论中的近期发展及应用作以简单的综述,并指出了今后进一步的研究课题。
补充资料:对数位势


对数位势
logarithmic potential

对数位势【lq尹d山而c卯tel血l;二orapH枷“”ec“豆noTe-“”H“」 具有对数核(」ogaritill川ckelllel)hil/Jx一yI的位势,这里}x一yl是Euclid平面RZ里两点x和y之间的距离,即如下形式的位势 u(x)一f In一上一、。(夕),(l) J}义一y}一般说来,这个积分是对RZ上任意一个具有紧支集S一S(川的B翻rel测度(Borel此as眠)拼进行的.在物理上,可以认为对数位势来源于万有引力的N映喃阅位势(Newtoll potelltjal),当产生吸引力的质量在ELI~clid空间R,中各点夕=(y,,yZ,y3)的分布不依赖于某个坐标,例如y。时的情形.当然总质量是无限的,但若对计算的引力F(可以认为它是作用在平面(x,,xZ,O)一七)进行正则化,去掉无穷的项,那么F的有限部分的位势恒为形式(1)(见【2」).不同于N亡州。n核,对数核不仅当】x一夕}~0,而且当lx一y}一刃有奇性.这使得对数位势的性质与Nev改on位势有些差别.这主要出现在外边界值问题的解中(见外部和内部边界值问题(extenor alld illterior botulda习valueproblezl犯)).对数位势主要应用于位势论中的边界值问题(bollnd脚锥lue problen荟in poteniial tlleory)的解.亦见椭圆方程边界值问题(botln山l理初ue pr。-blem,el】iPtic叫mtions). 对数位势的主要性质:l)对数位势在测度召的支集s的外部是D幽份方程(加phce明uation)△。二o的一个正则解,即u是开集RZ\s上的调和函数(1姆田mLonic frlnction),但在无穷远点不正则;然而,2)若测度户是绝对连续的,即积分(1)取形式 ·‘·,一)f‘,,In万气了d·‘,,,‘2,其中D是有限区域,dJ是D的面积元素且密度f属于C,(D日刁D)类,则u的二阶导数在D连续且满足R血”.方程(Po姚on闪uation)△“二一2“f. 如果(2)中的积分是沿一条闭瓜nyHOB曲线L(见刀肠n,0。曲面和曲线(LyaP”IOv suxfaa荟andCu户代万)),即 ·‘·,一)f‘,,hi万丢页ds‘,,,‘,,称为分布在L上的单层对数位势(10群trithn五c poten-咖of a single(ors而Ple)h挥r).如果f〔C‘(L),那么单层对数位势‘3)在RZ里是处处连续的.它的法向导数从L的内部和外部都有极限,分别为 du 1 du(夕,,) llrn~二二二es}二--二二习二几+7T厂‘V。), x一’y,a no!‘a”o d。{du(y。) lim斗匕}=一一:f(夕。
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