CN107272193A - The ultralightization Optimization Design of lightweight mirror - Google Patents
The ultralightization Optimization Design of lightweight mirror Download PDFInfo
- Publication number
- CN107272193A CN107272193A CN201710398422.2A CN201710398422A CN107272193A CN 107272193 A CN107272193 A CN 107272193A CN 201710398422 A CN201710398422 A CN 201710398422A CN 107272193 A CN107272193 A CN 107272193A
- Authority
- CN
- China
- Prior art keywords
- speculum
- mirror
- ultralightization
- optimization
- design
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0012—Optical design, e.g. procedures, algorithms, optimisation routines
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
- G06F30/23—Design optimisation, verification or simulation using finite element methods [FEM] or finite difference methods [FDM]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2111/00—Details relating to CAD techniques
- G06F2111/06—Multi-objective optimisation, e.g. Pareto optimisation using simulated annealing [SA], ant colony algorithms or genetic algorithms [GA]
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- Geometry (AREA)
- General Engineering & Computer Science (AREA)
- Telescopes (AREA)
Abstract
The ultralightization Optimization Design of lightweight mirror, it is related to the ultralightization design field of miniature remote sensing spacing reflection mirror, solve existing lightweight mirror light-weight design method and there are problems that design efficiency is low, the cumbersome global optimum for leading to not realize multiple target of process, the integrated size parameter optimization that the present invention combines topological optimization and multiple target carries out ultralightization to mirror body and designed.The multiple target realized in speculum process of optimization is solved；A large amount of manual amendment's models are completed by computer to work with simulating, verifying, substantially increase design efficiency；Globally optimal solution can be found, is not absorbed in local optimum misunderstanding.The method of the present invention is applied among the design of ultralightization of different bore speculums.
Description
Technical field
The present invention relates to the ultralightization design field of miniature remote sensing spacing reflection mirror, and in particular to a kind of lightweight mirror
Ultralightization Optimization Design.
Background technology
Miniature remote sensor is used to provide distributed high resolution space remote sensing image, and satellite load can be greatly lowered simultaneously
Improve load long-time stability and environmental suitability, global focus sensitive area, accident, the monitoring of land resources and
Assess, the field such as environment and Natural calamity monitoring, coastline monitoring administration, rescue and relief work have important scientific meaning with it is economical
Value.Optical mirror is the core in miniature remote sensor optical system, and its surface figure accuracy height directly affects whole distant
The quality of sensor image quality.Meanwhile, miniature remote sensor has strict requirements for the weight of remote sensor, is ensureing face shape essence
Ultralightization design must be carried out on the basis of degree to optical mirror.
Miniature remote sensor has very high requirement for resolution ratio, in order to improve the face shape of speculum, it is necessary to improve speculum
Rigidity, and the lifting of rigidity is usually associated with the increase of weight, high rigidity and lightweight are conflict bodies, i.e. speculum is set
Meter target is the optical element for obtaining high specific stiffness.The specific stiffness of speculum is improved except the reflecting mirror material from high specific stiffness
Outside, mainly realized by the light-weight design of speculum.The ratio that suitable lightweight structure can not only improve speculum is firm
Degree, reduce optical system overall weight, can also simplified support structure design.
Traditional speculum light-weight design method, using Experience Design, sets up light weighed model, passes through finite element analysis
Checked.This method relies on the experience of designer, and the light weight of speculum is designed by traditional design theory and empirical equation
Change structure, then carry out simulation analysis to check whether checking structure reaches design requirement by finite element, then change model, again
Design verification, untill meeting design standard.This method designs cumbersome, inefficiency；Hardly result in globally optimal solution；More
Plus the optimal solution of multiple target can not be realized.
The content of the invention
The present invention has that design efficiency is low, process is cumbersome causes nothing to solve existing lightweight mirror light-weight design method
Method realizes the problems such as global optimum of multiple target solves, and there is provided a kind of ultralightization Optimization Design of lightweight mirror.
The ultralightization Optimization Design of lightweight mirror, comprises the following steps：
Step 1: determining speculum external diameter, clear aperature, the integral thickness of mirror body, branch according to the design objective of speculum
The number of support point and the mode of support, set up to support centerline hole to the distance of optical axis as Optimal Parameters, with speculum level
The deadweight face shape of direction and vertical direction is the Optimized model of target, support hole site is carried out by the Optimized model excellent
Change, it is determined that distance of the support centerline hole to optical axis, obtains the position of supported hole；
Step 2: the Optimal Parameters determined using step one set up FEM model in Hypermesh softwares,
Rotational symmetry constraint and the constraint of withdrawing pattern direction are set in Optistruct softwares, with the minimum optimization mesh of mirror body weight
Scalar functions, using displacement of the point along optical axis direction on mirror mirror as constraints, to reflection in Hyperview softwares
The design section of mirror carries out topological optimization；
Apply the load and boundary displacement condition of deadweight state to reflector body, iteration optimization obtains optimal Mirror blank materials
Distribution form, determines the form of lightweight supported hole, sets up the initial light weighed model of speculum；
Step 3: by integrated emulation optimization software integrated moulding software, finite element analysis software, data processing software and
Surface errors fitting software initial model is automated and multiple target integrated optimization；
Become with the mirror shape precision RMS values that mirror weight is minimum and mirror base is under detection direction gravitational load
Change minimum optimization design target, using the mirror shape precision RMS value under machine direction gravitational load as constraints, using certainly
Adapt to genetic Optimization Algorithm to determined on speculum the minute surface of mirror shape precision, speculum outer wall, speculum thang-kng hole wall plus
The height dimension parameter of strengthening tendons and supported hole pore wall thickness, supported hole aperture, reinforcement spacing and backing material cut-out is entered
Row optimization, obtains ultralightization speculum model；
Step 4: carrying out project analysis and processing technology analysis, inspection to the ultralightization speculum model that step 3 is obtained
Whether the weight and surface figure accuracy for surveying the ultralightization speculum model reach mirror design index request described in step one,
If it is not, then return to step two, if it is, design terminates.
Beneficial effects of the present invention：
The ultralightization Optimization Design for a kind of Lightweight Space speculum that the present invention is provided, with reference to topological optimization and many mesh
Target integrated size parameter optimization carries out ultralightization design to mirror body.Realize many in speculum process of optimization
Object solving；A large amount of manual amendment's models are completed by computer to work with simulating, verifying, substantially increase design efficiency；It can look for
To globally optimal solution, it is not absorbed in local optimum misunderstanding.
The ultralightization Optimization Design that the present invention is provided is applied among the design of ultralightization of different bore speculums.
Brief description of the drawings
Fig. 1 is the ultralightization Optimization Design flow chart of lightweight mirror of the present invention；
Fig. 2 is the supported hole position optimization result of the ultralightization Optimization Design of lightweight mirror of the present invention
Figure；
Fig. 3 is the topological optimization result figure in the ultralightization Optimization Design of lightweight mirror of the present invention；
Fig. 4 is the Integrated Optimal Design flow in the ultralightization Optimization Design of lightweight mirror of the present invention；
Fig. 5 shows for the integrated optimization dimensional parameters in the ultralightization Optimization Design of lightweight mirror of the present invention
It is intended to；
Fig. 6 is the multiple target integrated optimization result in the ultralightization Optimization Design of lightweight mirror of the present invention
Schematic diagram；
Fig. 7 is the ultralightization result figure of the ultralightization Optimization Design of lightweight mirror of the present invention.
Embodiment
Embodiment one, illustrate present embodiment, the ultralightization optimization design of lightweight mirror with reference to Fig. 1 to Fig. 7
Method, present embodiment combines topological optimization, the integrated size optimization and project analysis of multiple target, is that a kind of complex optimum is set
Meter method, its detailed process is：
Step one：It is determined that distance of the support centerline hole to optical axis.Referred to according to the effective clear aperture and optics of speculum
Tolerance is marked, the design objective of mirror body is determined, size, the reflection of speculum external diameter and clear aperature are determined according to design objective
Mirror spherical radius, the integral thickness of mirror body, the number of the strong point and the mode of support.Set up to support centerline hole to optical axis
Distance is Optimal Parameters, using deadweight face shape both horizontally and vertically as the Optimized model of target, support hole site is carried out excellent
Change, it is determined that distance of the support centerline hole to optical axis；
Wherein, support centerline hole is apart from span to optical axis：0.6 times of -0.7 times of speculum exterior radius
Speculum exterior radius.Optimum results are as shown in Figure 2.The final distance for determining support centerline hole to optical axis is 72mm.
Step 2：Topological optimization determines initial light weighed model.FEM model is set up according to step one parameters obtained, with
Hypermesh is finite-element preprocessing device, topological optimization resolving is carried out using Optistruct, using Hyperview as finite element
Preprocessor carries out topological optimization to model.It is Non-design region, mirror that supported hole side wall, which is defined, with speculum front panel
The mirror body back remainder of base for can design section, and set rotational symmetry constraint and withdrawing pattern direction constraint.With mirror body weight
Measure minimum optimization object function, using the point on mirror mirror along optical axis direction displacement as constraints, to speculum can
Optimize region and carry out topological optimization.Apply the load and boundary displacement condition of deadweight state to mirror body, iteration optimization obtains optimal
Mirror blank materials distribution form, determine lightweight hole form, set up the initial light weighed model of speculum；
The topological optimization of present embodiment is intended to retain the material of speculum goodness, removes the material of redundance,
To reach the purpose of speculum ultralightization.It is to find structure using the purpose of topological optimization in speculum conceptual phase
Optimum topology form.
In present embodiment, using the front panel of supported hole side wall and speculum as Non-design region, remainder is design
Region, with the minimum optimization aim of mirror body weight, is less than 12nm as about using displacement of the point along optical axis direction on mirror mirror
The Topology Optimization Method of beam.
Perform process of topology optimization in, increased and decreased by changing the volume fraction of FEM model can design section material
Material, to determine speculum basic structure form.The result of topological optimization is as shown in Figure 3.The material near light hole and supported hole
Retained part should design side wall and reinforcement, and should be cut in the removed part of mirror body skirt materials from supported hole farther out
Remove.
Step 3：Multiple target integrated size optimizes.Pass through integrated emulation optimization software integrated moulding software, finite element analysis
Software, data processing software and surface errors fitting software initial model is automated and multiple target integrated optimization.To reflect
The mirror shape precision RMS value that mirror mirror body quality is minimum and mirror base is under detection direction gravitational load changes minimum optimization design
Target, using the mirror shape precision RMS value under machine direction gravitational load as constraints, is optimized using Adaptive Genetic and calculated
Minute surface, speculum outer wall, speculum thang-kng hole wall, reinforcement and branch of the method (AMGA) to decision mirror shape precision on speculum
Hole pore wall thickness is supportted, supported hole aperture, reinforcement spacing and backing material cut-out height equidimension parameter are optimized, obtained
Globally optimal solution is obtained, ultralightization speculum model is set up；
In present embodiment, the optimization of multiple target integrated size is by Isight Integrated Simulations modeling software, finite element fraction
Software, data processing software and surface errors fitting software is analysed to complete the dimensionally-optimised of speculum.With mirror body during optimization
The mirror shape precision RMS value that quality is minimum and mirror base is under detection direction gravitational load changes minimum optimization design target,
Using the mirror shape precision RMS value under machine direction gravitational load as constraints, using Adaptive Genetic optimized algorithm
(AMGA) the global solution of automation is carried out.
The flow of multiple target integrated size optimization is as shown in Figure 4.Built in optimization process with the UG parametrizations for completing speculum
Mould, finite element analysis is carried out with Patran, carries out result data processing with Nastran, speculum is realized finally by SigFit
Face shape calculate.Input variable is the dimensional parameters in UG models in optimization process, and output file is speculum weight and minute surface
Surface figure accuracy RMS value.
The dimensional parameters optimized in multiple target integrated size optimization process are as shown in Figure 5.Wherein speculum outer diameter D outer
And clear aperature Dinner size, the integral thickness H of mirror body are determination value, the outer wall thickness of mirror face thickness Tm, speculum
Spend Tor, speculum thang-kng pore wall thickness Tir, Rib Thickness Trib and supported hole pore wall thickness Thole, supported hole aperture
Rhole, reinforcement spacing Lrib and backing material cut-out height Htrim are dimensionally-optimised parameter.Wherein each parameter takes
Value scope is that minute surface, speculum outer wall, speculum thang-kng hole wall, reinforcement and the supported hole pore wall thickness of speculum are：2-
4mm；The supported hole aperture of speculum is：8-20mm, reinforcement spacing is：30-45mm, backing material cut-out is highly：
0-20mm。
Multiple target integrated size optimum results are with the shape of Pareto optimal solution sets in the Optimization Design that the present invention is provided
Formula is presented, as shown in Figure 6.The transverse and longitudinal coordinate each put in figure is respectively to should the weight of speculum and face shape under spot size parameter
Value, taking the two, preferably point is optimal solution.Optimum results are carried out with rounding and obtains the minute surface of speculum, speculum outer wall, reflection
Mirror thang-kng hole wall and Rib Thickness are 2mm, and supported hole pore wall thickness is 3mm, and supported hole aperture is 15mm, reinforcement spacing
For 36mm, backing material cut-out is highly 20mm.
Step 4：Project analysis.Project analysis and processing technology point are carried out to the ultralightization speculum model of step 3
Analysis, detects whether the weight and surface figure accuracy of final mask reach design requirement, if being unsatisfactory for design requirement, return to step
Two, change the volume fraction for removing material, re-establish initial light weighed model；Will if weight and surface figure accuracy are satisfied by design
Ask, then ultralightization design terminates.
Rounding processing and corresponding project analysis are carried out in present embodiment to the speculum model after optimization, finally should
The ultralightization model of small space speculum is as shown in Figure 7.The model is retried, the reflection aperture of mirror is 210mm, instead
Mirror weight is penetrated for 0.568kg；Its surface figure accuracy RMS value detected under the deadweight operating mode in direction is 0.259nm, well below design
Index；And the Free Modal frequency of the speculum reaches 2500HZ, rigidity is enough.
Optimization Design described in present embodiment greatly improves the efficiency of design, is completed by computer generation for people
The evaluation work of a large amount of cumbersome repetitions, the repeated work of manual modification model is avoided when dimensionally-optimised, is saved substantial amounts of
Time and human resources, and the integrated optimization method of multiple target can realize the globally optimal solution of multiple targets.
The ultralightization Optimization Design that the present invention is provided is applied among the design of ultralightization of different bore speculums.
Claims (8)
1. the ultralightization Optimization Design of lightweight mirror, it is characterized in that, this method is realized by following steps：
Step 1: determining speculum external diameter, clear aperature, the integral thickness of mirror body, the strong point according to the design objective of speculum
Number and support mode, set up to support centerline hole to the distance of optical axis as Optimal Parameters, with speculum horizontal direction
Deadweight face shape with vertical direction is the Optimized model of target, support hole site is optimized by the Optimized model, really
Surely support centerline hole obtains the position of supported hole to the distance of optical axis；
Step 2: the Optimal Parameters determined using step one set up FEM model in Hypermesh softwares,
Rotational symmetry constraint and the constraint of withdrawing pattern direction are set in Optistruct softwares, with the minimum optimization mesh of mirror body weight
Scalar functions, using displacement of the point along optical axis direction on mirror mirror as constraints, to speculum in Hyperview softwares
Design section carry out topological optimization；
Apply the load and boundary displacement condition of deadweight state to reflector body, iteration optimization obtains optimal Mirror blank materials distribution
Form, determines the form of lightweight supported hole, sets up the initial light weighed model of speculum；
Step 3: passing through integrated emulation optimization software integrated moulding software, finite element analysis software, data processing software and face shape
Fitting software initial model is automated and multiple target integrated optimization；
Change minimum with the mirror shape precision RMS value that mirror weight is minimum and mirror base is under detection direction gravitational load
For optimization design target, using the mirror shape precision RMS value under machine direction gravitational load as constraints, lost using adaptive
Pass optimized algorithm to determined on speculum the minute surface of mirror shape precision, speculum outer wall, speculum thang-kng hole wall, reinforcement and
The height dimension parameter of supported hole pore wall thickness, supported hole aperture, reinforcement spacing and backing material cut-out is optimized,
Obtain ultralightization speculum model；
Step 4: carrying out project analysis and processing technology analysis to the ultralightization speculum model that step 3 is obtained, institute is detected
Whether the weight and surface figure accuracy for stating ultralightization speculum model reach mirror design index request described in step one, if
No, then return to step two, terminate if it is, designing.
2. the ultralightization Optimization Design of lightweight mirror according to claim 1, it is characterised in that in step one,
The distance of mirror support centerline hole to the optical axis is：The speculum outer wall of 0.6 times of speculum exterior radius~0.7 times
Radius.
3. the ultralightization Optimization Design of lightweight mirror according to claim 2, it is characterised in that in step one,
The distance range of the mirror support centerline hole to optical axis is 64mm~76mm.
4. the ultralightization Optimization Design of lightweight mirror according to claim 3, it is characterised in that the speculum
The distance for supporting centerline hole to optical axis is 72mm.
5. the ultralightization Optimization Design of lightweight mirror according to claim 1, it is characterised in that in step 2,
It is less than 12nm as constraints using the point on mirror mirror along optical axis direction displacement.
6. the ultralightization Optimization Design of lightweight mirror according to claim 1, it is characterised in that in step 3,
The parametric modeling of speculum is completed by the integrated UG parametric modelings software of Isight integrated emulation optimization softwares, is used
Patran finite element analysis softwares carry out finite element analysis, and result data processing is carried out using Nastran data processing softwares, lead to
Cross SigFit surface errors fitting softwares and realize that the face shape of speculum is calculated.
7. the ultralightization Optimization Design of lightweight mirror according to claim 1, it is characterised in that in step 3,
Optimal Parameters scope is defined as：Minute surface, speculum outer wall, speculum thang-kng hole wall, reinforcement and supported hole pore wall thickness are：
2mm~4mm, supported hole aperture is：8mm~20mm, reinforcement spacing is：30mm~45mm, back of reflecting mirror material removal portion
Divide and be highly：0mm~20mm.
8. the ultralightization Optimization Design of lightweight mirror according to claim 7, it is characterised in that the speculum
Minute surface, speculum outer wall, speculum thang-kng hole wall and Rib Thickness be 2mm, supported hole pore wall thickness is 3mm, support
Hole aperture is 15mm, and reinforcement spacing is 36mm, and back of reflecting mirror material removal Partial Height is 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710398422.2A CN107272193A (en) | 2017-05-31 | 2017-05-31 | The ultralightization Optimization Design of lightweight mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710398422.2A CN107272193A (en) | 2017-05-31 | 2017-05-31 | The ultralightization Optimization Design of lightweight mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107272193A true CN107272193A (en) | 2017-10-20 |
Family
ID=60064281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710398422.2A Pending CN107272193A (en) | 2017-05-31 | 2017-05-31 | The ultralightization Optimization Design of lightweight mirror |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107272193A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108287942A (en) * | 2017-12-26 | 2018-07-17 | 华中科技大学 | The optimum design method of the Whiffletree supporting point positions of the sub- mirror model of telescope primary mirror |
| CN109283685A (en) * | 2018-09-27 | 2019-01-29 | 中山大学 | A kind of design method of super structure lens nano unit and super structure lens |
| CN110941926A (en) * | 2019-12-03 | 2020-03-31 | 中国科学院西安光学精密机械研究所 | Free-form surface metal reflector and design method thereof |
| CN116702391A (en) * | 2023-05-15 | 2023-09-05 | 东莞理工学院 | Regularization-based conformal topology optimization design method |
| CN110941926B (en) * | 2019-12-03 | 2024-05-31 | 中国科学院西安光学精密机械研究所 | Free-form surface metal reflector and design method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416590A (en) * | 2011-10-28 | 2012-04-18 | 中国科学院光电技术研究所 | Flexible limit support device for large-caliber light reflecting mirror and installation method for device |
| CN103207440A (en) * | 2013-04-18 | 2013-07-17 | 大连理工大学 | Bidirectional multi-arch large-caliber space reflector |
| CN106291921A (en) * | 2016-09-13 | 2017-01-04 | 中国科学院长春光学精密机械与物理研究所 | A kind of space-based large caliber reflecting mirror light-weight design method |
-
2017
- 2017-05-31 CN CN201710398422.2A patent/CN107272193A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102416590A (en) * | 2011-10-28 | 2012-04-18 | 中国科学院光电技术研究所 | Flexible limit support device for large-caliber light reflecting mirror and installation method for device |
| CN103207440A (en) * | 2013-04-18 | 2013-07-17 | 大连理工大学 | Bidirectional multi-arch large-caliber space reflector |
| CN106291921A (en) * | 2016-09-13 | 2017-01-04 | 中国科学院长春光学精密机械与物理研究所 | A kind of space-based large caliber reflecting mirror light-weight design method |
Non-Patent Citations (1)
| Title |
|---|
| 李宗轩 等: "大口径空间反射镜Cartwheel型柔性支撑设计", 《光学学报》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108287942A (en) * | 2017-12-26 | 2018-07-17 | 华中科技大学 | The optimum design method of the Whiffletree supporting point positions of the sub- mirror model of telescope primary mirror |
| CN108287942B (en) * | 2017-12-26 | 2020-09-18 | 华中科技大学 | Optimal design method for Whiffletree supporting point position of telescope primary mirror model |
| CN109283685A (en) * | 2018-09-27 | 2019-01-29 | 中山大学 | A kind of design method of super structure lens nano unit and super structure lens |
| CN109283685B (en) * | 2018-09-27 | 2020-10-09 | 中山大学 | Design method of nano unit of super-structured lens and super-structured lens |
| CN110941926A (en) * | 2019-12-03 | 2020-03-31 | 中国科学院西安光学精密机械研究所 | Free-form surface metal reflector and design method thereof |
| CN110941926B (en) * | 2019-12-03 | 2024-05-31 | 中国科学院西安光学精密机械研究所 | Free-form surface metal reflector and design method thereof |
| CN116702391A (en) * | 2023-05-15 | 2023-09-05 | 东莞理工学院 | Regularization-based conformal topology optimization design method |
| CN116702391B (en) * | 2023-05-15 | 2024-02-13 | 东莞理工学院 | Regularization-based conformal topology optimization design method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107272193A (en) | The ultralightization Optimization Design of lightweight mirror | |
| CN104866673B (en) | A kind of axle presses the Cutout reinforcement method of reinforcement post shell | |
| EP2734946B1 (en) | Systems and methods for three dimensional printing | |
| CN105133840B (en) | A kind of construction method of hyperboloid furred ceiling | |
| US7542889B2 (en) | Determination of a model of a geometry of a metal sheet forming stage | |
| JP5414902B2 (en) | System and method for optimizing machining simulation | |
| CN107958103B (en) | Design of part method of topological optimization design based on compromise decision | |
| JP2018526744A (en) | Mesh generation system and method | |
| CN103823649B (en) | A kind of 3 D-printing uniform wall thickness based on section file takes out shell side method | |
| CN111310318A (en) | Digital twinning-based process margin processing method and system and mechanical manufacturing assembly | |
| CN106871819B (en) | Aspherical vertex curvature radius error measurement method based on the optimal compensation position | |
| CN106291921A (en) | A kind of space-based large caliber reflecting mirror light-weight design method | |
| CN116702607A (en) | BIM-FEM-based bridge structure digital twin body and method | |
| CN109359336A (en) | A kind of similar distortion model construction method of lashing bridge based on multiple-objection optimization | |
| JP2003281201A (en) | Mesh generation method | |
| JP2010211680A (en) | Method of correcting model data | |
| CN105243686B (en) | Scaffold mimics method | |
| CN116562075B (en) | Battery pack structure design method, device, terminal and storage medium | |
| Sheng et al. | Build orientation optimization for extrusion-based additive manufacturing coupling with adaptive slicing | |
| CN116109555B (en) | Wavefront facula lattice optimization method and device | |
| CN107967394B (en) | Pre-development checking method for passenger protection during side collision of door inner protection plate | |
| CN116432329A (en) | Computer-aided generation design with feature thickness control for manufacturing and structural performance | |
| CN110009742A (en) | System and method for finite element mesh reparation | |
| CN113793412A (en) | Nuclear power plant three-dimensional modeling method and system based on two-dimensional plane template graph | |
| CN112084572A (en) | Method for optimizing vehicle body section structure in vehicle body modeling stage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171020 |