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轻便折叠加压舱的强度分析与应力计算

The strength analysis and stress calculation of the light folded pressure cabin
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摘要 由于舱体材料柔软壁薄,在内压作用下变形相当显著,载荷与舱壁位移之间具有强烈的非线性关系,分析计算十委复杂。为简化计算,又能近似地考虑大变形的影响,采用将全部载荷分成几级来施加。在施加后一级载荷时,要考虑前几级载荷所引起变形影响,对每一级载荷则用小变形公式计算。这里的指导思想是将一个非线性性质的变形问题分段线性化了。 Because of the softness of cabin material and thin bulkhead,a very distinct shape change oc- curs under the action of internal pressure.The stronger nonlinear relationship between load and bulkhead dis- placement makes the calculation very complicated.For simplicity and considering the influence of big shape change approximately all of load is imposed in several divided stages.The effect from the shape change, caused by previous stages of load,must be figured when next stage of load is imposed.A formula of small shape change is used to calculate each stage of load.In this paper,the main idea is that a nonlinear problem of shape change is linearized in dividing section.
出处 《医疗卫生装备》 CAS 1993年第4期10-12,共3页 Chinese Medical Equipment Journal
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