Vehicle Body Structure, And Method For Designing Vehicle Body Structure

Abstract: A vehicle body 1 has a center pillar 4, and a side sill 5 that is connected to the center pillar 4. A front portion 5a and a rear portion 5b of the side sill 5 are prevented from moving inward in the width direction of the vehicle body 1 at a front restriction position X2F and a rear restriction position X2R, respectively. The center pillar 4 has an overlapping portion 22 that covers the outer surface of the side sill 5. X0 is defined as the longitudinal center position of the center pillar 4 at the height position of an upper surface 152a of the side sill 5, X1F is defined as the front end position of the overlapping portion 22 from the center position X0, and L0 is defined as the distance from the center position X0 to the front restriction position X2F in the longitudinal direction X. L1 is defined as the distance from the center position X0 to the end-portion position X1F in the longitudinal direction X. The distance ratio L1/L0 is 0.36 = L1/L0 = 0.48.

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