The most unfavorable earthquake excitations were investigated, in which geometric non-linearity and material non-linearity were all taken into account. 摘要同時考慮幾何非線性與材料非線性，對單層球面網殼在地震作用下結構的最不利荷載進行分析。
Nonlinear analysis method on the mechanical behavior of preflex composite beams was established with the nonlinear stress-strain curves of materials. 摘要採用材料非線性本構關係研究預彎組合梁的受力行為，建立預彎組合梁從預彎鋼樑加荷到結構破壞的非線性全過程分析方法。
