| 1. | 2 . the computing precision of three type conditions such as viscous - spring boundary , viscous boundary and fixed boundary is compared
2比较了粘-弹性边界、粘性边界和固定边界条件的精度。 |
| 2. | We organize it along the following lines : in chapter 1 we discuss the fixed boundary problem with elliptic equation or elliptic equations ( diffraction problem ) system
具体内容由以下三章组成：第一章我们讨论的是具有固定边界的椭圆型方程问题和椭圆型方程组问题(即绕射问题) 。 |
| 3. | Through the comparison of analysis results in seismic response of construction structures , spring - damper boundary is better than viscous one in improving the computational precise and avoiding the disadvantages of fixed boundary which can not radiate energy
通过建筑结构地震反应分析结果的比较，弹簧?阻尼器边界比粘性边界更好，提高了计算精度，并且克服了固定边界无法辐射能量的缺点。 |
| 4. | Then , the initial form the membrane will be made . the border part of membrane is the fixation border , and the other border part is non - fixation border fixed by cable - pole structure . and this border part will transfigure together with the cable - pole structure
由索杆结构，可以确定膜的初始形状，膜边界部分为固定边界，部分由索杆体系确定，为非固定边界，在找形中与索杆体系一起协同变形。 |
| 5. | The results indicate that the seismic responses of pier under the viscous - spring boundary are less than that under the fixed boundary , and the seismic responses of pier on the site with the frozen layer are much less than that without the frozen layer
结果表明类场地上的挖井基础桥墩，来用粘弹性边界时的桥墩地震反应比固定边界时的地震反应小；冻土时的地震反应比融土时的地震反应明显减小。 |
| 6. | A domain is scoped by the set of objects that is currently directly accessible by an entity in the system to which authorizations have been granted . given this definition , you could actually think of the java sandbox in jdk version 1 . 1 as a protection domain with a fixed boundary
） ，域是由系统中当前获得授权的一个实体可以直接访问的一组对象所界定的（按照这个定义，实际上可以将jdk版本1 . 1中的java沙箱想像为一个具有固定边界的保护域） 。 |
| 7. | In order to overcome the drawback of classical fixed boundary models , a finite element model of structure - foundation system has been suggested in this paper for the earthquake response analysis of frame structures , such as beams and columns , are described with plane - stress 4 - node quadrilateral parametric element , and foundations with plane - strain 4 - node quadrilateral parametric element
为了正确处理结构?地基动力相互作用，改善以往固定边界模型将地震能量全部陷入结构计算模型的不合理状况，以框架结构为例提出了建筑结构地震反应分析的有限元模型及透射边界，模型中采用四结点平面应力等参单元模拟上部框架结构的梁柱构件。 |
| 8. | Yang and xie 9 developed a numeri - cal model for the moving boundary problem through reducing it to a fixed boundary problem by a coordi - nate transformation . it is necessary to reduce the a subsurface runoff parameterization with water storage and recharge based on the boussinesq - storage equation 623 computational cost of the groundwater model so that it can be applied to a land surface model for climate studies
文献9通过一个坐标变换将运动边界问题转化为一个固定边界问题,进一步改进了该土壤水模型的数值计算方法,使其减少计算量,达到能在一般通用的模式中实际应用 |
