内高压成形适合于制造空心变截面构件，给出了用内高压成形制造的典型结构件、空心轴类件和异形管件。
IHPF is fit for manufacturing hollow components with changeable cross-section including typical structural components, hollow axle parts and special shape pipes.
针对工程结构中广泛应用的变截面构件，提出了一个变截面平面梁单元，推导了其单元刚度矩阵和等效节点荷载公式。
A nonuniform beam finite element is presented and the element stiffness matrix and equivalent joint load are derived to analyse nonuniform members used increasingly in engineering structures.
双锥型变截面矩形钢管是指两端为锥型变截面、中间为等截面的组合矩形钢管构件。
Double-tapered rectangular steel tubes are composed of two tapered ends and a prismatic intermediate part.
传统的门式刚架的构件截面为等截面和楔形变截面，本论文提出了一种构件截面形式——波纹腹板变截面。
The section of traditional portal rigid frame are constant cross-section and wedge shape variable cross-section, this paper brings up a component cross-section—ripple web plate variable cross-section.
传统的门式刚架的构件截面为等截面和楔形变截面，本论文提出了一种构件截面形式——波纹腹板变截面。
The section of traditional portal rigid frame are constant cross-section and wedge shape variable cross-section, this paper brings up a component cross-section—ripple web plate variable cross-section.
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