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Keywords: DDA
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Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the Gulf Rocks 2004, the 6th North America Rock Mechanics Symposium (NARMS), June 5–9, 2004
Paper Number: ARMA-04-585
... Discontinuous Deformation Analysis (3D DDA). The original DDA developed by Shi [1] is a two- dimensional (2D) numerical model for the statics and dynamics of discontinuous block systems. With many people contributing to its development and application, 2D DDA is well developed in terms of both theory...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 2nd North American Rock Mechanics Symposium, June 19–21, 1996
Paper Number: ARMA-96-2031
...Rock Mechanics, Auberbn, Hassan/ & M/tn (eds) ¸ 1996 Balkema, Rotterdam. ISBN 90 54 I0 838 X Application of DDA in rock fall analysis Yuzo Ohnishi & Kaoru YamamukaJ Kyoto University, Japan Guangqi Chen Kiso-Jiban Consultants Co., Ltd, Tokyo, Japan ABSTRACT: This paper presents a way to apply...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 2nd North American Rock Mechanics Symposium, June 19–21, 1996
Paper Number: ARMA-96-2009
... another new numerical method —discontinuous deformation analysis (DDA), which included a complete block kinematics to obtain large displacement and deformation solutions for discontinuous multi-body system. The contact constraint formulations for DDA are based on penalty method, and DDA is an implicit...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st North American Rock Mechanics Symposium, June 1–3, 1994
Paper Number: ARMA-1994-0599
... ABSTRACT ABSTRACT: This paper presents new capabilities of the discontinuous deformation analysis (DDA) when combined with "the artificial joint concept". These capabilities refine the determination of the refined stress distribution and permit simulating fracture propagation in intact blocks...
Proceedings Papers
Publisher: American Rock Mechanics Association
Paper presented at the 1st North American Rock Mechanics Symposium, June 1–3, 1994
Paper Number: ARMA-1994-1109
... ABSTRACT ABSTRACT: A penstock rock slope was analyzed by two methods of stability analysis. They are a limiting equilibrium analysis initially developed by Goodman and Bray, and Discontinuous Deformation Analysis (DDA). Because the latter needs no assumption of a failure mode, and takes...