| 1. | Rigidity analysis of reinforced concrete plane beam element in nonlinear material model
考虑材料非线性时钢筋混凝土平面梁单元刚度的计算方法 |
| 2. | Optical pattern dynamics is mainly divided into two parts : laser pattern dynamics and pattern dynamics in optical resonator with nonlinear material
光学斑图动力学主要包括激光器斑图动力学和含有非线性介质的光学谐振腔系统的斑图动力学。 |
| 3. | In addition , with the deep - going of the nonlinear materials , nanometer cluster induced scientists " interests for the special scale effect . this paper is divided into five parts
另外，随着非线性光学材料研究的深入，半导体纳米微粒作为超微粒非线性材料，由于其具有特殊的尺寸效应近年来在非线性光学领域引起了人们极大的兴趣。 |
| 4. | The conclusion is that the back analysis results have the character of unbiasedness , efficiency and consistency . bayes random method which considers the prior errors is better in the back analysis of embankment dam ' s nonlinear materials
结论认为bayes随机反演结果具有无偏性、有效性和一致性的特点；在土石坝等非线性材料反演分析中，考虑先验信息误差的bayes随机反分析方法具有较好的适用性。 |
| 5. | I . a mtil ( iaxial elastic - plastic hardening - sofling constitutive model of concrete is proposed iii order to offer a nonlinear material model of concrete for space restoring force analysis of reinforced concrete members taking into account the softening behavior of concrete . the concrete material model is incorporated the elastic - plastic hardening fracturing constitutive model of concrete with the plastic - fracturing theory of concrete , modified without defining two loading functiomis , and based on five parameter power function failure criterion proposed by guo zheng - hai etc from tsingliua ( jniversity , or three parameter unified strength theory proposed by yu mao - hong from x ian iiaotong university
1 、将砼弹塑性硬化断裂本构模型与塑性断裂理论结合起来，并加以改进，但无需定义两个加载面，以清华大学过镇海建议的五参数幂函数或以西安交通大学俞茂宏建议的，参数统一强度理论作为砼的强度破坏准则，建立了砼多轴弹塑性硬化松驰本构模型，能为钢筋砼构件空间恢复力分析提供砼非线性材料模型，并能反映砼材料的软化段。 |
| 6. | So there is significant interest for the development of " optical limiter " , which strongly attenuates intense optical beams while exhibiting high transmittance for low - intensity ambient light levels , and therefore protects human eyes and optical sensors from intense laser pulses . the lack of appreciate nonlinear materials has been a significant barrier in the development of such devices
但随大能量、高功率、短脉冲激光器的日益增多，激光伤害人眼和光学仪器的现象也随之增多，激光威胁已成为不容忽视的现实问题，激光防护材料和激光防护器件也因而成为当今的热门课题。 |
| 7. | Based on the experimental study and inelastic theory , the ultimate flexural capacity of steel encased concrete composite beams are derived . the difference between steel encased concrete composite beams with full shear connection and beams with partial shear connection , together with the relationship between the inelastic neutral axis of steel parts and concrete parts , are considered in the formulae . the calculation results of the eight specimens with full shear connection and the three specimens with partial shear connection are in good agreement with the experimental data , which validates the effectiveness and efficiency of the proposed calculation methods . furthermore , the nonlinear finite element analysis of the ultimate flexural capacity of the steel encased concrete composite beams is performed . nonlinear material properties and nonlinear contact properties are considered in the finite element analysis . the finite element analytical results also correlate well with the experimental data
基于外包钢混凝土组合梁的试验研究和塑性理论,按照钢梁和混凝土塑性中和轴相对位置的不同,分别推导了完全剪切连接和部分剪切连接的外包钢混凝土组合梁的正截面极限抗弯承载力的计算公式,并对外包钢混凝土组合梁进行了非线性有限元分析,分析中重点考虑了材料非线性和接触非线性. 8根完全剪切连接和3根部分剪切连接试件的正截面极限抗弯承载力的计算结果及有限元分析结果与试验结果吻合良好 |
| 8. | The proposed formula is in accordance with the old one , and the affect of nonlinear material properties of concrete and steel bars is considered by an adjusting coefficient . 6 ) based on theoretical and experimental research on material characters of steel fibered reinforced concrete , a finite element model for nonlinear analysis of steel fiber reinforced ( sfrc ) structures is presented . two - dimensional analysis on various sections of the orifice in the xiao wan arch dam is carried out
6 )根据已有的钢纤维混凝土基本理论和试验研究成果，建立了钢纤维混凝土( sfrc )的有限元模型，对小湾拱坝的1 ~ #底孔断面进行了非线性分析，研究了大连理工大学博士学位论文采用不同厚度的钢纤维混凝上增强层和不同掺量的钢纤维对孔口抗裂、限裂性能的影响。 |
| 9. | Aimed at the steel shear wall with slit , a systematic research is done on the forced performance . by using the finite element soft ware ansys , the paper analyzes this lateral resistant member . the main part of the text has three aspects : the calculation of the lateral stiffness , the analysis of nonlinear material and simulation of hysteretic loop
结果表明，带缝钢板剪力墙是一种优良的抗侧力构件，有着其它抗侧力构件无法比拟的优点； 2 、针对带缝钢板剪力墙，本文对其受力性能进行了系统研究，并用有限元软件ansys进行了分析。 |
