👉 Den engineering, or design engineering, is a specialized field within mechanical engineering that focuses on the conceptualization, design, and optimization of complex systems, particularly those involving fluid dynamics, heat transfer, and structural mechanics. It involves creating detailed models and simulations to predict system performance under various conditions, ensuring efficiency, reliability, and safety. Engineers in this field use advanced computational tools and software to iteratively refine designs, balancing factors like cost, material selection, and environmental impact. Den engineering bridges the gap between theoretical concepts and practical applications, enabling the development of innovative solutions in industries ranging from aerospace and automotive to energy and healthcare.