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Stress–strength analysis is the analysis of the strength of the materials and the interference of the stresses placed on the materials, where "materials" is not necessarily the raw goods or parts, but can be an entire system. Stress-Strength Analysis is a tool used in reliability engineering. Environmental stresses have a distribution with a mean and a standard deviation and component strengths have a distribution with a mean and a standard deviation . The overlap of these distributions is the probability of failure . This overlap is also referred to stress-strength interference.

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  • Méthode contrainte-résistance (fr)
  • Stress–strength analysis (en)
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  • Stress–strength analysis is the analysis of the strength of the materials and the interference of the stresses placed on the materials, where "materials" is not necessarily the raw goods or parts, but can be an entire system. Stress-Strength Analysis is a tool used in reliability engineering. Environmental stresses have a distribution with a mean and a standard deviation and component strengths have a distribution with a mean and a standard deviation . The overlap of these distributions is the probability of failure . This overlap is also referred to stress-strength interference. (en)
  • La méthode contrainte-résistance est une méthode d'essais visant à qualifier la fiabilité d'un système. C'est une approche statistique qui permet de relier la durée de vie (résistance) d'un produit aux sollicitations (contraintes) auxquelles il est soumis. Elle est adaptée aux cas où condition de résistance T ≥ t0 (durée de vie T supérieure à t0) peut s'exprimer sous la forme R ≥ S ou encore m ≥ 0 avec m = R – S où * R est la résistance ; * S est la contrainte (stress) ; * m est la marge. (fr)
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  • Stress–strength analysis is the analysis of the strength of the materials and the interference of the stresses placed on the materials, where "materials" is not necessarily the raw goods or parts, but can be an entire system. Stress-Strength Analysis is a tool used in reliability engineering. Environmental stresses have a distribution with a mean and a standard deviation and component strengths have a distribution with a mean and a standard deviation . The overlap of these distributions is the probability of failure . This overlap is also referred to stress-strength interference. (en)
  • La méthode contrainte-résistance est une méthode d'essais visant à qualifier la fiabilité d'un système. C'est une approche statistique qui permet de relier la durée de vie (résistance) d'un produit aux sollicitations (contraintes) auxquelles il est soumis. Elle est adaptée aux cas où condition de résistance T ≥ t0 (durée de vie T supérieure à t0) peut s'exprimer sous la forme R ≥ S ou encore m ≥ 0 avec m = R – S où * R est la résistance ; * S est la contrainte (stress) ; * m est la marge. Le cas échéant, le durée de vie t0 peut être « une utilisation » ; la méthode contrainte-résistance est alors une version « probabilisée » de la notion d'état limite ultime (ELU). Si la durée de vie correspond à plusieurs cycles d'utilisation, on est dans une situation de type fatigue. (fr)
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