The iteration of geometric programming with constraint positive negative term equations is applied to the optimal design for bolted tight connections used in pressure vessels.

对压力容器的螺柱组紧联接的优化设计，采用了约束正负定式几何规划迭代法。

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GE, on the other hand, decided to focus on one turbine size that met the needs of markets where tight spaces were not a constraint and devoted resources to optimizing the efficiency of that turbine model.

FORBES: Payoffs From GE's Innovation Platform