Matlab Functions for ME 360L

Alternating and Mean Fatigue

ASME Safety Factor (ASME)

Gerber Safety Factor (Gerber)

Goodman Safety Factor (Goodman)

Langer Safety Factor (Langer)

Von Mises stress due to alternating loading (VM_Stress_Alt)

Von Mises stress due to mean loading (VM_Stress_Mean)

Beams and Shafts

Moment due to point loads (Shaft_Moment)

Shear due to point loads (Shaft_Shear)

Shaft torque due to power transmission (Torque_m)

Bending and Torsional Stresses

Torsional Shear in round shaft (Shear_Round_Torque_m)

Bending Stress in round shaft (Stress_Round_Bend_m)

Section Properties

Rectangular Cross Section (Sec_Prop_Rect)

Circular Cross Section (Sec_Prop_Circle)

Hollow Circular Cross Section (Sec_Prop_HCircle)

Se' Correction Factors

Correct for the type of load (Cload)

Correct for reliability (Crelib)

Correct for Rectangular Non-rotating shape (Csize_Rectangular_m)

Correct for Circular Non-rotating shape (Csize_Round_Nonrotating_m)

Correct for Circular Rotating shape (Csize_Round_Rotating_m)

Correct for Forged surface (Csurf_Forged_m)

Correct for Ground surface (Csurf_Ground_m)

Correct for Hot Rolled surface (Csurf_HotRolled_m)

Correct for Machined surface (Csurf_Machined_m)

Correct for Temperature (Ctemp_m)

Stress Concentration Factors

Check and correct for local yielding (Local_Yielding)

Reduce bending stress concentration factor due to fatigue (Stress_Reduce_Bend_m)

Reduce torsional stress concentration factor due to fatigue (Stress_Reduce_Torque_m)

Step stress concentration factor for axial loading (Stress_Step_Axial)

Step stress concentration factor for bending (Stress_Step_Bending)

Step stress concentration factor for torsion (Step_Step_Torsion)

Stresses

Modified Mohr's Stress for Brittle Materials (Modified_Mohr)

Plot of Mohr's Circle (PlotMohrsCircle)

Principal Stresses (PrnStresses)

Von Mises Stress from applied stresses (VM_Stress)