When modelling a steel reinforced earth wall, I'm not sure which element to use to model the facing wall. The reference paper that I've chosen describes that the facing is modelled as discrete panels with a bearing pad thickness of 25mm b/w each panel. And that, the linear elastic beam elements were used to model the panels and joints b/w each panel. Further, the beam elements were connected through hinge contacts. Please suggest which option do I choose for the facing.

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