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Applied Mathematics and Mechanics (English Edition) ›› 1986, Vol. 7 ›› Issue (3): 299-303.

• 论文 • 上一篇    

DETERMINATION OF EXPRESSION OF CONTINUOUS DAMAGE PARAMETER FOR NON-AGEING MATERIALS UNDER CONSTANT TENSILE LOAD

程沅生   

  1. Shanghai Institute of Applied Mathematics and Mechanics, Shanghai
  • 收稿日期:1985-06-06 出版日期:1986-03-18 发布日期:1986-03-18

DETERMINATION OF EXPRESSION OF CONTINUOUS DAMAGE PARAMETER FOR NON-AGEING MATERIALS UNDER CONSTANT TENSILE LOAD

Cheng Yuan-sheng   

  1. Shanghai Institute of Applied Mathematics and Mechanics, Shanghai
  • Received:1985-06-06 Online:1986-03-18 Published:1986-03-18

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摘要： Under constant uniaxial tensile load continuous damage parameter for non-ageing brittle materials may be expressed as ω(P/A0)=g(P/A0)+f1(P/A0)f2t The determination of the expression for g(P/A0) had been pointed out by [4]. But how to determine the expressions for f1(P/A0) and f2(t), the solution to this problem is not yet in sight. Now the solution to this problem is given by the present paper. This paper points out f1(P/A0) f2(t) = <t>(P/A0) t and the method of the determination of the expression for (P/A0).

关键词: random walk, water exchange, numerical simulation, Markov chain, advection-diffusion

Abstract: Under constant uniaxial tensile load continuous damage parameter for non-ageing brittle materials may be expressed as ω(P/A0)=g(P/A0)+f1(P/A0)f2t The determination of the expression for g(P/A0) had been pointed out by [4]. But how to determine the expressions for f1(P/A0) and f2(t), the solution to this problem is not yet in sight. Now the solution to this problem is given by the present paper. This paper points out f1(P/A0) f2(t) = <t>(P/A0) t and the method of the determination of the expression for (P/A0).

Key words: random walk, water exchange, numerical simulation, Markov chain, advection-diffusion

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