查询词典 penalty method

Since the impenetrability condition and the interaction of adjacent contact pairs are all considered in this algorithm, the contact constraint and equilibrium equations of the system are better satisfied as compared with the traditional penalty method.

随着并行算法的发展，在不涉及接触问题的情况下，有限元并行计算已经取得极大成功，大多数工程问题均能够以超过85%的并行效率J决速完成动力学过程模拟和分析。

The boundary singular kernel method and modified penalty method are utilized to treat the velocity boundary conditions and incompressibility constraint, respectively. The arc-tangential friction model is employed to treat the contact conditions.

分别采用边界奇异权法和修正的罚函数法处理速度边界条件和体积不可压缩条件，采用反正切摩擦模型处理摩擦边界条件，推导了金属三维塑性成形过程EFGM法数值模拟的刚度方程，给出了关键算法。

The modified penalty method is used to treat incompressible constraints, so that volumetric locking is avoided.

采用修正的罚函数法约束体积不变条件，避免体积闭锁现象的产生。

In chapter six, A finite element model to evaluate the mechanics properties of thin wall structure is put forwards. The 4-node quadrilateral Hughes-Liu shell element with five through-the-thickness integration points is employed. The material is assumed to satisfy the elastic-plastic yield condition with isotropic hardening. The single surface contact algorithm is taken to deal with the contact searching. The priori stabilization procedures for the numerical control of the hourglass instability and the penalty method for the evaluation of contact force are used. The classical Coulomb law of friction is employed to evaluate the friction force.

第六章采用法向方向5点积分的4节点Hughes-Liu壳单元，前置参数法砂漏控制技术，等向强化弹塑性材料模型，分步增量应力回映方法，一体化接触搜寻算法，罚参数接触力计算方法及经典摩擦定律，建立了一种计算受冲薄壁结构大变形力学特性计算的有限元模型，通过对汽车A传动轴及汽车纵向方形吸能梁的大变形力学特性分析，验证了该有限元模型的正确性。

In recent years, many people studied the convergence of the Newton method and the Penalty method, and gave many different algorithm.

第三部分，针对于第二部分中提到的牛顿内点优化方法的构成特点，提出一种新的牛顿内点优化算法。

Looking over the criminal legislation of various countries, the prescriptions of penalty method are also different.

纵观世界各国的刑事立法，其刑罚方法的规定也各不相同。

Network pruning is an effective way to obtain such a small network, including direct pruning method and penalty method.

网络修剪是得到上述小网络的有效途径之一，它包括直接修剪法和惩罚项法。

Penalty method was used for finite element solutions to unilateral contact and friction problems.

采用罚函法建立了单边接触摩擦问题的有限元算法。

Firstly, the mesh dependent norms are introduced and the equivalent mixed variational problem of the fourth order obstacle problem is derived by the penalty method.

首先，引入网格依赖范数，通过加罚方法得到了与四阶障碍问题的等价的混合变分形式。

Using the penalty method, subjecting to contact constraint conditions for pull-off joints, a numerical model is then proposed for vertical contraction joints connected with aseismic springs and dampers.

在接触约束条件的罚函数处理方法基础上，建立拱坝横缝结点对之间附加减震弹簧、阻尼器的计算处理方法。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。