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369 results about "Design support" patented technology

Device, system, server, client, and method for supporting component layout design on circuit board, and program for implementing the device

There is provided a circuit design supporting device, a circuit board design supporting system, a circuit board design supporting server, a circuit board design supporting client, a circuit design supporting method, and a program for realizing the device for designing a layout of main components such as LSI, etc. on a circuit board such as a printed circuit board wherein unnecessary electromagnetic radiation is suppressed. The circuit design supporting device comprises a noise generating level adding means and a component locating means. The noise generating level adding means adds noise generating level information to a component to be located on a printed circuit board. The component locating means includes a component position detecting section, a voltage distribution detecting section, a noise generating level comparing section, and an error informing section. The component position detecting section detects a position of the component moved on the printed circuit board. The voltage distribution detecting section detects a voltage level on the printed circuit board in the detected position of the component. The noise generating level comparing section compares the detected voltage level with the noise generating level added to the component. The error informing section informs a user of an error when the voltage level on the printed circuit board is equal to or larger than the noise generating level as a result of the comparison.
Owner:NEC CORP

Turbine blade disc structure service life reliability design method

The invention relates to a turbine blade disc structure service life reliability design method. An initial scheme for a turbine blade disc structure is determined according to a traditional strength and service life analysis method, a geometrical shape of the structure is determined and weight of the structure is calculated; determinacy load of the structure is acquired and detailed 3D stress/strain analysis is conducted; a determinacy design criteria is designated to be an optimized constraint condition, and the design is returned to design support when the result does not meet the criteria demand; influence of the turbine blade disc structure is analyzed and the turbine blade disc is partitioned; structure reliability under each failure mode is calculated and a service life reliability analysis result is evaluated with the combination of the service life probability criteria; the design support is required when the structure reliability result does not meet the criteria demand; combined risk evaluation is conducted to a risk level of each failure mode and overall failure probability of the turbine blade disc structure is calculated; each technical index is determined whether to meet demands; and design support is required when the demands are not met or modifications are conducted to the size or the material.
Owner:BEIHANG UNIV
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