A numerical study of contact force in competitive evacuation<xref rid="cpb_26_10_104501_fn1" ref-type="fn">*</xref> <fn id="cpb_26_10_104501_fn1"> <label>*</label> <p>Project supported by the National Natural Science Foundation of China (Grant No. 71473207) and China Fundamental Research Funds for Central Universities (Grant No. 2682016cx082).</p> </fn>

A numerical study of contact force in competitive evacuation* *

Project supported by the National Natural Science Foundation of China (Grant No. 71473207) and China Fundamental Research Funds for Central Universities (Grant No. 2682016cx082).

Lin Peng^{1, †}, Ma Jian², Si You-Ling, Wu Fan-Yu¹, Wang Guo-Yuan¹, Wang Jian-Yu²

(color online) Scalar contact force at clogging flow stage (from left to right 60 s, 90 s, and 120 s).