中ちゅう立りつ面めん

noun

neutral plane

Technical term in physics or engineering referring to a surface within a bent beam or plate where stress or strain is zero.

• 梁はりを曲まげると、中ちゅう立りつ面めんには応おう力りょくが生しょうじない。

  When a beam is bent, no stress occurs on the neutral plane.