| 1. | Simulation tests of six medium - height shear walls of three floors are made by using nonlinear finite element program simulate and are made well
进而运用全量法编制的有限元非线性程序对六榀三层中等高度剪力墙进行了计算机模拟试验，计算结果与试验结果吻合较好。 |
| 2. | A corresponding nonlinear finite element program in fortran is presented and a new stability analysis method about complex slope is proposed , using the newton - raphson method to solve the nonlinear equations
根据原理推导出了稳定的计算公式，建立了非线性分析的实用方法，并采用牛顿?拉斐逊方法对本文所建立的非线性方程组进行求解。 |
| 3. | In this paper , the mechanics behavior of the src column and steel beam joints is studied . the tests of the src column and steel beam joints under the cyclic reversed loading are carried out , which are analyzed by the ansys 3d nonlinear finite element program
本文主要研究劲性柱?钢梁节点的受力性能，对劲性柱?钢梁节点进行低周反复加载试验研究，同时用ansys三维有限元非线性分析软件进行计算机模拟。 |
| 4. | 3 . the stiffness matrixes equations , which can be applicable to perform second - order elastic - plastic analysis for semi - rigid connection steel frame , are derived . a two - dimensional nonlinear finite element program for semi - rigid connection steel frame is compiled successfully
本文分析并建立了考虑连接非线性、几何非线性和材料非线性的刚度矩阵方程，编制了半刚性连接钢框架的二阶-塑性铰分析的有限元计算程序。 |
| 5. | This study will gain an understanding of the earthquake response behavior of such a special structure and will also provide a basis for monitoring of bridge after opening to the traffic . in this work , a 3 - d nonlinear finite element program tty is developed the results of analysis are in good agreement with that of the bathe and changsha tiedao university ' s report about earthquake response of the dong ting hu bridge
根据理论分析结果，本文编制了三维非线性有限元程序tty ，对端部作用有集中力的弯梁作了几何非线性计算，并与bathe等进行比较；同时对湖南洞庭湖大桥进行了线性与非线性分析计算，并与长沙铁道学院洞庭湖大桥抗震性能研究报告进行了对比，其结果均能较好吻合。 |
| 6. | The present findings of nonlinear research in frame structures , and the methods for design of second - order effect in the codes from china and other countries , were briefly introduced in this paper . the contents and methods of design and calculating about second - order effect in gb50017 - 2003 were discussed as well . a rotational displacement equation for geometric nonlinear structures was derived , and then a nonlinear finite element program for rigid frames was compiled by fortran
本文简要地介绍了框架结构非线性研究的现状以及各国规范对框架二阶效应的设计内容和方法；对我国《钢结构设计规范》 gb50017 - 2003给出的考虑框架结构二阶效应的方法进行了探讨；推导了基于几何非线性框架的转角位移方程，在此理论基础上用fortran语言编制了刚性框架二阶内力分析的有限元计算程序，并用此结构分析程序对多种框架进行了一阶和二阶的弹性分析，讨论了二阶效应在框架分析中不应忽略的原因，同时分析了影响框架二阶效应的因素。 |
| 7. | This paper applies nonlinear finite element program bsnfem to analyze the behaviors of eccentrically braced steel frames under cyclic load . the study that comprehensive and systematic analyze the factor of links length , thickness of links flange , distance of links rib , thickness of links rib and angle of brace to be changed affect energy - dissipation capacity of d shape and k shape eccentrically braced steel frames have been some studied before . this paper fills the black in the filed factor of high - span ratio , brace stiffness and brace - to - beam connections to be changed affect energy - dissipation capacity of d shape and k shape eccentrically braced steel trames and any factor to be changed affect energy - dissipation capacity of y shape eccentrically braced steel frames
对耗能梁段的长度、耗能梁段腹板的厚度、耗能梁段翼缘的厚度、耗能梁段加劲肋的间距、耗能梁段加劲肋的厚度、支撑的夹角等因素的改变对d形、 k形偏心支撑钢框架耗能的影响，前人已有一些研究，本文对这些因素的影响进行了全面系统的分析，完善了理论分析的不足；而结构高跨比、支撑刚度、支撑与梁的连接形式等因素对d形、 k形偏心支撑钢框架破坏机理的研究以及各种因素对y形偏心支撑钢框架破坏机理的影响，则很少有人涉及，本文对此也进行了深入系统的分析，填补了这一研究空白。 |
| 8. | Considering connective , geometrical , and material nonlinear , the stiffness - matrixes equations were proposed in this paper . a two - dimensional nonlinear finite element program for steel frame with semi - rigid connection was complied successfully . after the internal force and the horizontal displacement of semi - rigid connection steel frame were calculated , its bearing capacity was discussed and the analysis results were compared with the experimental ones , it was used as the collapse characteristic after structural ultimate strength had lost and the appearing orders of plastic hinges and it was reasonably suggested for the design of semi - rigid connection steel frame
本文通过建立考虑连接非线性、几何非线性和材料非线性的刚度矩阵方程，用fortran语言编制了半刚性连接钢框架的二阶-塑性铰分析的有限元计算程序，对半刚性连接框架内力和位移进行计算，讨论了半刚性连接框架受力性能，并将计算结果与试验结果进行对比，了解结构在丧失极限承载力后的破坏形态和塑性铰出现的顺序，并对半刚性节点钢框架设计提出合理的建议。 |
| 9. | At last , by learning and making use of formulas of the bearing capacity of normal section and short - dated rigidity in some domestic and overseas concrete construction standard and technological research achievements , the calculation formulas are proposed . it was analyzed and validated by the nonlinear finite element program - ansys
最后，通过学习和借鉴国内外混凝土结构规范中有关钢筋混凝土梁正截面强度和刚度的计算公式，以及国内外的科研成果，本文提出了采用这种加固方法加固的受弯构件的正截面承载力和短期刚度的计算公式。 |
| 10. | Parameter analysis , 3d nonlinear finite element program and experimental study are carried out to discuss the prestressing effects in terms of ultimate flexural strength , deflection , cracking moment , the redistribution of internal force , the stress increment of prestressed tendons , and the slip at the interface of prestressed steel - concrete composite continuous beams
本文通过参数分析、 ansys三维有限元非线性分析、模型试验等研究方法，着重探讨了抗弯承载力、挠度变形、开裂弯矩、内力重分布、预应力筋应力增量、组合界面滑移等方面的预加力效应。 |
