Two-Dimensional Fracture Mechanics Analysis Using a Single-Domain Boundary Element Method

<table>Variation of crack initiation angle <svg height="16.450001" id="M188" style="vertical-align:-3.39066pt" version="1.1" viewbox="0 0 14.925 16.450001" width="14.925" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,12.162)"><path d="M475 507q0 -83 -20 -172t-56 -167.5t-93.5 -129t-125.5 -50.5q-157 0 -157 227q0 78 21.5 164t59 161t96.5 123.5t126 48.5q79 0 114 -58t35 -147zM391 522q0 155 -81 155q-62 0 -111 -82.5t-73 -200.5h253q12 81 12 128zM373 346h-255q-12 -91 -12 -150q0 -72 20 -123
t63 -51q34 0 64 28.5t52.5 77t39 103t28.5 115.5z" id="x1D703"></path></g>
<g transform="matrix(.012,-0,0,-.012,8.525,16.25)"><use xlink:href="#x30"></use></g>
</svg> with the crack angle <svg height="16.6625" id="M189" style="vertical-align:-3.56265pt" version="1.1" viewbox="0 0 10 16.6625" width="10" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,12.162)"><use xlink:href="#x1D6FD"></use></g>
</svg>. Plexiglass plate subjected to uniaxial tension.</table>

Mathematical Problems in Engineering

fig10

Figure 10

Figure 10: Two-Dimensional Fracture Mechanics Analysis Using a Single-Domain Boundary Element Method 