The shell is divided into orthogonal or oblique crossing girder systems, which make up a space rigid frame structure, then an analysis is made of the endogen force of the shell structure based on the curved lever space rigid frame structure.
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美
- 該方法通過(guò)將殼體結構離散成相互垂直或斜交的曲桿梁系組成的空間剛架結構，進(jìn)而分析曲桿空間剛架結構的內力，達到殼體內力分析的目的。
