User contributions for Lisa Hacker
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20 April 2023
- 22:0222:02, 20 April 2023 diff hist 0 Cumulative Damage Arrhenius No edit summary current
- 22:0222:02, 20 April 2023 diff hist −45,694 Time-Varying Stress Models No edit summary current
- 22:0022:00, 20 April 2023 diff hist +13,803 N Cumulative Damage Power Created page with "{{template:ALTABOOK|10.1}} =Cumulative Damage Power Relationship= This section presents a generalized formulation of the cumulative damage model where stress can be any function of time and the life-stress relationship is based on the power relationship. Given a time-varying stress <math>x(t)\,\!</math> and assuming the power law relationship, the life-stress relationship is given by: ::<math>L(x(t))={{\left( \frac{a}{x(t)} \right)}^{n}}\,\!</math> In ALTA, the above..." current
- 21:5921:59, 20 April 2023 diff hist +45,779 m Time-Varying Stress Models Reverted edits by Lisa Hacker (talk) to last revision by Sharon Honecker Tag: Rollback
- 21:5721:57, 20 April 2023 diff hist −13,776 Time-Varying Stress Models No edit summary Tag: Reverted
- 21:4621:46, 20 April 2023 diff hist +244 Time-Varying Stress Models No edit summary Tag: Reverted
- 21:4421:44, 20 April 2023 diff hist +41 Accelerated Life Testing Data Analysis Reference No edit summary
- 21:4321:43, 20 April 2023 diff hist −32,247 Time-Varying Stress Models No edit summary Tag: Reverted
- 21:4221:42, 20 April 2023 diff hist +11,628 N Cumulative Damage General Loglinear Created page with "{{template:ALTABOOK|10.3}} =Cumulative Damage General Log-Linear Relationship= This section presents a generalized formulation of the cumulative damage model where multiple stress types are used in the analysis and where the stresses can be any function of time. ==Cumulative Damage General Log-Linear - Exponential== Given <math>n\,\!</math> time-varying stresses <math>\underline{X}=({{X}_{1}}(t),{{X}_{2}}(t)...{{X}_{n}}(t))\,\!</math>, the life-stress relationship is:..."
- 21:4121:41, 20 April 2023 diff hist +10,327 N Cumulative Damage Exponential Created page with "{{template:ALTABOOK|10.2}} =Cumulative Damage Exponential Relationship= This section presents a generalized formulation of the cumulative damage model where stress can be any function of time and the life-stress relationship is based on the exponential relationship. Given a time-varying stress <math>x(t)\,\!</math> and assuming the exponential relationship, the life-stress relationship is given by: ::<math>\begin{align} L(x(t))=C{{e}^{bx(t)}} \end{align}\,\!</math>..."
- 21:4021:40, 20 April 2023 diff hist +68 Accelerated Life Testing Data Analysis Reference No edit summary
- 21:3821:38, 20 April 2023 diff hist +10,369 N Cumulative Damage Arrhenius Created page with "{{template:ALTABOOK|10.1}} =Cumulative Damage Arrhenius Relationship= This section presents a generalized formulation of the cumulative damage model where stress can be any function of time and the life-stress relationship is based on the Arrhenius life-stress relationship. Given a time-varying stress <math>x(t)\,\!</math> and assuming the Arrhenius relationship, the life-stress relationship is given by: ::<math>L(x(t))=C{{e}^{\tfrac{b}{x(t)}}}\,\!</math> In ALTA, the..."
17 March 2023
- 00:0000:00, 17 March 2023 diff hist +45 Experiment Design and Analysis Reference No edit summary
16 March 2023
- 23:5823:58, 16 March 2023 diff hist −27,449 Two Level Factorial Experiments No edit summary current
- 23:5823:58, 16 March 2023 diff hist +27,472 N Two Level Fractional Factorial Designs Created page with "{{Template:Doebook|8.1}} ==Two Level Fractional Factorial Designs== As the number of factors in a two level factorial design increases, the number of runs for even a single replicate of the <math>{2}^{k}\,\!</math> design becomes very large. For example, a single replicate of an eight factor two level experiment would require 256 runs. Fractional factorial designs can be used in these cases to draw out valuable conclusions from fewer runs. The basis of fractional factor..." current
- 00:3300:33, 16 March 2023 diff hist −67 Additional Tools →Estimating P\left[ {{t}_{2}}\ge {{t}_{1}} \right]\,\! Using the Life Comparison Wizard current
15 March 2023
- 23:0223:02, 15 March 2023 diff hist +7 Webnotes Pages No edit summary current
13 March 2023
- 23:4723:47, 13 March 2023 diff hist +75 The Lognormal Distribution No edit summary current
- 23:4423:44, 13 March 2023 diff hist +72 The Weibull Distribution No edit summary Tag: Manual revert
10 March 2023
- 22:5322:53, 10 March 2023 diff hist +7 Template:Doebook No edit summary