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Chapter 14 Monte Carlo Simulation. 14.1 Introduction Find several parameters Parameter follow the specific probability distribution Generate parameter.

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Presentation on theme: "Chapter 14 Monte Carlo Simulation. 14.1 Introduction Find several parameters Parameter follow the specific probability distribution Generate parameter."— Presentation transcript:

1 Chapter 14 Monte Carlo Simulation

2 14.1 Introduction Find several parameters Parameter follow the specific probability distribution Generate parameter following the probability distribution

3 14.2 Generation of random number

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5 14.3 generation of random numbers following standard uniform distribution The pseudo random number following standard uniform distribution: mind by the limitation of computer used.

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7 14.2.2 Random variables with nonuniform distribution Distribution function:

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14 14.2.3 Generation of discrete random variable X can take n+1 distinct values with mass function p X (x i ), the cumulative distribution function is given by: The discrete random number X i and X i+1 can be determined by:

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18 14.3 Generation of jointly distributed random variable 14.3.1 independent variable Density and distribution function

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25 14.3.3 generation of correlated normal random variables Vector of mean value Covariance matrix

26 Express X i as: The mean values and standard deviation:

27 The mean values of Wj can be determined as

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29 Example 14.9 the torque transmitted by a plate clutch with a single pair of friction surfaces, shown in Fig. 14.6, can be expressed as:

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32 14.4 computation of reliability

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34 14.4.1 Sampling size and error in simulation 14.4.2 Example: reliability analysis of a straight line mechanism

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