The smell of machine oil and metal dust stubbornly lingered deep within the Serenitea Pot's military workshop. Limeng squatted in front of a chaotic test bench, surrounded by fragments of water system gears and the twisted bogie wreckage of the "Qiming" train. His face was stained with grease and sweat, and his bloodshot eyes stared fixedly at a fracture surface. It was not the shattering of material crystal lattices, but a neat tear originating right from the tooth root, as if snapped in two by an invisible giant hand.
"Stress... stress concentration!" His throat felt dry as his fingertip poked heavily onto the sharp transition line of the gear root's fillet. Fragments of finite element analysis software screens from his past life's Shenzhen laboratory flashed through his mind like broken scenes: crimson high-stress zones aggressively devouring the weak points of the tooth root. The shortage of Condessence Crystals was merely a superficial symptom; the lifeblood of this ark was being silently strangled by a flawed design.
The dim, yellowish glow of an oil lamp danced across the workshop walls. Limeng's fingers gripped a charcoal stick, flying rapidly across rough kraft paper. Fragments of memories from his past life violently collided with data from the Teyvat Materials Manual:
Chapter 104