Based on Trias Chang6 delta sandbody in Ordos basin as simulation antetype, physical simulation of formation process in distributary channel and debouch bar of delta is conducted.

• 文中以鄂尔多斯盆地三叠系延长统长6三角洲砂体为模拟原型，对三角洲前缘水下分流河道及河口坝形成过程进行了较深入研究。