| 1. | Fracture criterion of - mixed mode crack for orthotropic plate 正交异性板复合型裂纹相对周向应力断裂准则 |
| 2. | Nonlinear thermal vibration of rectangular orthotropic plate on nonlinear foundation 非线性地基上正交异性矩形板的非线性热振动 |
| 3. | The application of the variational method in a finite orthotropic plate with edge crack 变分法在含边裂纹正交各向异性板中的应用 |
| 4. | Analytical solutions of temperature fields for an orthotropic plate with a central crack under remote uniform heat flows 含中心裂纹正交各向异性板均匀热流作用下的温度场解析解 |
| 5. | But the theory of buckling of polar orthotropic plates is a challenge problem , and no perfect result has been worked out 然而,极正交各向异性圆板的屈曲理论一直是一个比较具有挑战性的问题,目前尚无完美的解答。 |
| 6. | In recent years , composite material plates have been widely used and people begin to pay attention to the studying of orthotropic plate 由于近年来,复合材料板、壳的广泛应用,各向异性板、壳的变形问题越来越引起人们的重视。 |
| 7. | The orthotropic plate is the structural component which has better performance in the aspect of intensity , stability , stiffness and sufferring force as a whole 正交异性板是在强度、稳定、刚度及整体受力等方面都具有较好性能的结构部件。 |
| 8. | According to the method of e . b . seydel , the geometry orthotropic plate was transferred into material one , and also the equivalent material coefficients of cspl ( corrugated steel plate ) were calculated 按e . b . seydel方法,将波纹钢板的几何正交异性转化为材料正交异性,计算了其等效材料常数。 |
| 9. | The discrete stiffener solution and orthotropic plate solution are used for analyzing the buckling behavior of intermediately stiffened plates theoretically in this paper . thus , closed - form solution of critical buckling stress and required adequate stiffening rigidity of the stiffener is obtained 本文分别用分离加劲肋法和各向异性板法对纵向中间加劲板件的屈曲性能进行了理论分析,得到了屈曲应力和理论充分加劲刚度解析表达式。 |
| 10. | This paper try to mix the finite strip method and hybrid stress element , and deduce a numerical and computer method which combines the advantages of the two methods - mixed hybrid finite strip method ; analyze the intensity and stability of the orthotropic plate by this method ; deduce the formula of the orthotropic plate ' s analysis and calculation under this method ; compile the program of orthotropic plate ' s mixed hybrid finite strip method ( hfsop . for ) with fortran - 77 language , and perform them under fortran90 environment of pc computer ; comparing with traditional methods by example of computing , prove that the mixed hybrid finite strip method have better degree of accuracy , moderating the stiffness of plate , coming more close to actual conditions , avoiding over - hard or over - soft ; finally , this paper analyze the stability of a orthotropic plate by this method , and deduce the - value of critical stress 论文将有限条法和应力杂交元法两者结合起来,导出一种兼有两者优点的数值计算方法? ?混合杂交有限条法。运用这种方法对正交异性板的强度和稳定进行了分析,推导出正交异性板在这种方法下的分析计算公式,用fortran - 77语言编写正交异性板混合杂交有限条法程序( hfsop . for )在微机fortran90环境下运行。通过算例与传统的方法比较,验证混合杂交有限条法有更好的精度,使板的刚度适中,更接近实际情况,避免“过硬”或“过软” ;最后,论文还用此方法对一正交异性板进行了稳定分析,得出临界应力值。 |