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首頁> 外文期刊>International Applied Mechanics >ANALYSIS OF CREEP STRAINS AND STRESS RELAXATION IN THIN-WALLED TUBULAR MEMBERS MADE OF LINEAR VISCOELASTIC MATERIALS. 1. SUPERPOSITION OF SHEAR AND VOLUME CREEP
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ANALYSIS OF CREEP STRAINS AND STRESS RELAXATION IN THIN-WALLED TUBULAR MEMBERS MADE OF LINEAR VISCOELASTIC MATERIALS. 1. SUPERPOSITION OF SHEAR AND VOLUME CREEP

機譯:薄壁管狀構(gòu)件蠕變菌株和應(yīng)力松弛分析,由線性粘彈性材料制成。 1.剪切和體積蠕變的疊加

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摘要

The problem of creep strains and stress relaxation analysis in thin-walled tubular members made of linear viscoelastic materials under combined tension and torsion loading is solved. The solution is obtained using viscoelastic models in the form of superposition of shear and volume creep. The creep and relaxation kernels are represented by fractional-exponential functions. The solutions are validated experimentally by analyzing longitudinal, transverse, and shear creep strains as well as the relaxation of normal and tangential stresses in thin-walled tubular members made of organic glass and high-density polyethylene.
機譯:求解在組合張力和扭轉(zhuǎn)負荷下由線性粘彈性材料制成的薄壁管狀構(gòu)件中蠕變菌株和應(yīng)力松弛分析的問題。使用粘彈性模型以剪切和體積蠕變的形式獲得溶液。蠕變和弛豫核由分數(shù)指數(shù)函數(shù)表示。通過分析縱向,橫向和剪切蠕變菌株的實驗驗證解決方案以及由有機玻璃和高密度聚乙烯制成的薄壁管狀構(gòu)件中的正常和切向應(yīng)力的弛豫。

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