Turbine assembly support program, turbine assembly support system, and turbine assembly method using corrected finite element model
In assembling a turbine including: a casing consisting of an upper half part and a lower half part fastened together by bolts; a stationary body accommodated in the casing and supported by the lower half part; and a rotary body supported by a plurality of bearings so as to be situated on the inner s...
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Main Authors | , , , , |
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Format | Patent |
Language | English |
Published |
19.10.2021
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Subjects | |
Online Access | Get full text |
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Abstract | In assembling a turbine including: a casing consisting of an upper half part and a lower half part fastened together by bolts; a stationary body accommodated in the casing and supported by the lower half part; and a rotary body supported by a plurality of bearings so as to be situated on the inner side of the stationary body, there are executed: a procedure of reading a finite element model of the three-dimensional configuration of the turbine; a reading procedure of reading actual measurement information on the three-dimensional configuration of the upper half part and the lower half part of the casing in the open state; a model correction procedure of reflecting actual measurement information of an evaluated portion that is a specific part of the casing in the finite element model and generating a correction model obtained through correction of the finite element model; a deformation amount estimation procedure of estimating the movement amount of the evaluated portion generated when the upper half part and the lower half part of the casing are fastened together by the bolts through simulation using the correction model; and an output procedure of outputting an estimated value of the movement amount to an output device. |
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AbstractList | In assembling a turbine including: a casing consisting of an upper half part and a lower half part fastened together by bolts; a stationary body accommodated in the casing and supported by the lower half part; and a rotary body supported by a plurality of bearings so as to be situated on the inner side of the stationary body, there are executed: a procedure of reading a finite element model of the three-dimensional configuration of the turbine; a reading procedure of reading actual measurement information on the three-dimensional configuration of the upper half part and the lower half part of the casing in the open state; a model correction procedure of reflecting actual measurement information of an evaluated portion that is a specific part of the casing in the finite element model and generating a correction model obtained through correction of the finite element model; a deformation amount estimation procedure of estimating the movement amount of the evaluated portion generated when the upper half part and the lower half part of the casing are fastened together by the bolts through simulation using the correction model; and an output procedure of outputting an estimated value of the movement amount to an output device. |
Author | Kodera, Juichi Yashirodai, Kenji Mizumi, Shunsuke Huang, Jie Ishibashi, Koji |
Author_xml | – fullname: Mizumi, Shunsuke – fullname: Kodera, Juichi – fullname: Yashirodai, Kenji – fullname: Huang, Jie – fullname: Ishibashi, Koji |
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Snippet | In assembling a turbine including: a casing consisting of an upper half part and a lower half part fastened together by bolts; a stationary body accommodated... |
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SubjectTerms | BLASTING CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES PHYSICS STEAM ENGINES TESTING WEAPONS |
Title | Turbine assembly support program, turbine assembly support system, and turbine assembly method using corrected finite element model |
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