| 摘要 |
A method selects from a plurality of predetermined blade geometries, a blade geometry for a blade wheel for a turbomachine, with for the predetermined blade geometries at least one characteristic value identifying an aerodynamic property of the blade geometry and at least one characteristic value identifying a structural mechanism of the blade geometry being filed in a memory. An evaluation unit ascertains for each blade geometry a total value, which is calculated from the assigned characteristic values. The evaluation unit selects at least that blade geometry whose total value has an extreme value of all computed total values of the blade geometries. At least one characteristic value identifying producibility of the respective blade geometry is filed in the memory additionally to the blade geometries. The evaluation unit also incorporates while ascertaining the total value of the respective blade geometry the characteristic value identifying producibility.
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