Numerical Investigation of Relationship between Bursting Proneness and Mechanical Parameters of Coal

Table 6

Eight probability density functions employed to simulate the heterogeneous distribution of cohesions in the numerical model.

Distribution	Probability density function (x > 0)	Mathematical expectation	Variance	Standard deviation
Weibull
Normal
Rayleigh
Chi-square
Student’s
Exponent
Cauchy		—	—	—
Fisher