Performance of lunar shell structure for moonbase subjected to low gravity coupled with changing temperature

Temperature variations on the lunar surface can cause significant thermal stress and increase energy consumption within a lunar base. Thus, studying the thermal behavior of lunar structures over time and space is crucial. This study utilizes classical thermomechanical coupling simulations to develop a comprehensive methodology for assessing the thermal performance of lunar shell structures. The model incorporates realistic assumptions about critical loads and boundary conditions and uses the real properties of regolith-based construction materials as input parameters. Using this method, the study simulates 36 scenarios for shell structures, including three types of structures, four latitudes, and three time periods. The temperature field, heat loss, and thermal stress for each scenario are calculated, and the overall trends and specific cases are analyzed. These results can inform further recommendations for the architectural design of lunar shell structures and the selection of construction materials.