free boundary meaning in Chinese
自由边界
自由流边界
Examples
- Theoretical modal analysis is then performed to determine the structure modal parameters for both free - free and fixed - free boundary conditions
并做碳纤维球杆实验?测经曲线嵌合所撷取出的模态? ?与有限元素分析进?比对验证。 - 19 smith k , solisy f , chopp d . a projection method for motion of triple junctions by level sets . interfaces and free boundaries , 2002 , 4 : 263 - 276
在本文所提供的两个动画样例中，我们可以看到这种新方法已经具备了制作高度真实的多流体动画的要求。 - This dissertation focuses on the locally classical solution and the globally classical solution of one dimensional combustion free boundary problem . the existence and uniqueness of classical solution locally in time will be obtained by the use of fixed point theorem
本文集中于对一个一维燃烧问题的局部古典解和整体古典解进行研究，应用不动点定理得到局部古典解存在唯一性。 - Based on 0 - d core physics model , the core parameters of low , moderate and high aspect ratio are calculated by system code . in addition , an advanced plasma configuration for fds system has been proposed , which aims at high beta , high bootstrap current and good confinement . in order to determine the feasibility of fds operation , a two - dimensional time dependent free boundary simulation code has been adopted to simulate time - scale evolution of plasma current profile and boundary position
在建立零维堆芯物理模型基础上，利用系统分析程序计算了堆芯物理参数，分析了fds -标准环径比情况的先进运行模式，并对其位形演化进行了放电模拟，获得比较满意的结果，为fds -系统概念设计奠定了基础。 - The main results and academic contributions of the dissertation can be summarized as following : 1 ) for the difficulty to obtain the accurate analytical solution of the stress constraints around 3d cracks , detailed 3d fe analyses have been conducted to study the out - of - plane constraint factor tz around a straight through - thickness crack , a quarter - elliptical corner crack and a semi - elliptical crack embedded in an isotropic elastic plate subjected to uniform remote tension loading . the distributions of tz are minutely studied in the forward section of the cracks . strong 3d zones ( tz > 0 ) along the crack front were investigated despite the far field stress - free boundary conditions
全文主要研究内容和学术贡献如下: 1 .针对一般三维裂纹端部场应力约束准确解析的困难,对均匀拉伸载荷作用下各向同性弹性板中穿透厚度中心直裂纹、半椭圆表面裂纹和1 / 4椭圆角裂纹进行了大量详细的全场应力三维有限元分析,首次全面分析了非穿透裂纹端部场三维影响区范围,给出了不同形状三维裂纹前沿离面应力约束因子tz的数值解,并结合k场平面解给出了非穿透裂纹端部应力场k - tz双参数描述。