VM-WB-MECH-098

VM-WB-MECH-098
2-D End Notched Flexure Problem

Overview

Reference: Mandell, J. F., et al. (2003). Prediction of delamination in wind turbine blade structural details. Journal of Solar Energy Engineering, 522-530.
Solver(s):

Ansys Mechanical

Analysis Type(s): Static Structural
Element Type(s): 2-D Structural Elements

Test Case

A beam is clamped at one end and contains a delamination of length a at the other end. A load P is applied in the middle to cause crack growth. VCCT G result is computed using a Pre-Meshed Crack object and compared against the analytical solution (equation 2 in reference).

Figure 130: Problem Sketch

Problem Sketch

Material PropertiesGeometric PropertiesLoading
E = 210000 MPa
= 0.3
L = 30 mm
a = 10 mm
P = 10 N

Analysis Assumptions and Modeling Notes

The problem is solved using 2-D elements with plain strain element behavior.

Results Comparison

ResultTargetMechanicalError (%)
G0.113340.116873.114