geophys (version 1.4-1)

DoMohr: Mohr's Circle

Description

Mohr's Circle

Usage

DoMohr(Stensor=diag(c(3,2,1)), axis=NULL)

Arguments

Stensor

Stress tensor

axis

vector of axes to plot, c(1,2,3,4)

Value

Graphical Side effects

Details

Stress tensor is a 2 by 2 or 3 by 3 symmetric matrix

References

W.D. Means, Stress and Strain: Basic Concepts of Continuum Mechanics for Geologists, Springer; 1976. 4th ed., 339 p. (ISBN-10:0387075569).

See Also

DoMohrFig1, stress

Examples

# NOT RUN {
Stensor = matrix(c(2,.3, .3, 1), ncol=2)

Stensor = matrix(c(50, 40, 40, 10), ncol=2)

DoMohr(Stensor) 


Stensor = matrix(c(
-50, 40, 20,
40, 10, 10,
20,  10, 5), ncol=3)

DoMohr(Stensor) 


# }