For block systems with small strain, finite displacement and finite rotation, a 3-dimensional mode distinct element method (3mdem) was presented.
本文针对小应变、大位移和大转动的块体系统建立了三维模态变形体离散元数值模型(3mdem)。
With the help of the theory of quaternions the theorems of commutativity of composition for the finite rotation of rigid body are proved in the any order.
借助于四元数理论证明了任意顺序下刚体有限转动合成的可交换性定理。
A rotation transformation method is to be used in changing an ordinary linear programming (LP)problem into an equivalent easily-solved continuous knapsack one after a finite iteration.
本文运用旋转变换法，经有限次变换后，将普通线性规划（LP）问题，化为一个等价的易于求解的连续背包问题。
The permutation of the finite set is introduced into the denumerable set as well as the definition of the basic rotation, the rotation and the composition of the countability.
把有限集中的置换推广到可数集上，引入基轮换、轮换及变换的可数次合成等概念的定义。
The effect of the whisker rotation on the hot compressive deformation behavior of the whisker reinforced aluminum matrix composite is investigated by the plane strain finite element method.
采用平面应变有限元方法研究了晶须转动对晶须增强铝基复合材料热压缩变形行为的影响。
A nonlinear axisymmetric finite element model was built to simulate position on rim, inflation and free rotation of radial tire.
建立一种子午线轮胎的轴对称非线性有限元模型，用以模拟轮胎的轮辋定位充气自由旋转过程。
An effective method is presented to derive the equations of finite-rotation plan beams.
提出一种在绝对坐标系中建立小应变有限转动平面梁动力学方程的有效方法。
The excellent characteristics of rotation-invariance, good orientation selection and finite redundancy are fully utilized, and applied in texture feature extraction.
充分利用双树复小波变换的旋转不变性、良好的方向选择性以及有限的冗余等优点，将其有效地应用于纹理特征提取过程中。
The finite element model showed that the pres sure within lumbar nucleus pulposus was the highest with rotation manipulation a nd the lowest with sitting- rotation manipulation.
有限元模型模拟手法作用时，椎间盘的髓核内压力在坐位旋转手法时最大；
The finite element model showed that the pres sure within lumbar nucleus pulposus was the highest with rotation manipulation a nd the lowest with sitting- rotation manipulation.
有限元模型模拟手法作用时，椎间盘的髓核内压力在坐位旋转手法时最大；
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