ICMMM-2021 is inspired by the novel advancements of engineering materials and their applicability. The challenges over the world scientists and researchers are to synthesis, model, characterize, test and analyze the novel materials and structures. It has been challenged to overcome spatial and temporal scale limitations by tackling materials complexities, synergizing modeling and experiment, strengthening multidisciplinary approaches, broadening applications of Materials, Mechanics and Modelling. These successive meetings have been concentrating the wisdom of materials and computational mechanics scientists, mathematicians and technologists. ICMMM-2021 brings in cutting-edge studies in all aspects of material theories, modelling, simulation and design.