CN104750909A - Light buffering and energy absorption material/structure integrated design method - Google Patents
Light buffering and energy absorption material/structure integrated design method Download PDFInfo
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- CN104750909A CN104750909A CN201510036501.XA CN201510036501A CN104750909A CN 104750909 A CN104750909 A CN 104750909A CN 201510036501 A CN201510036501 A CN 201510036501A CN 104750909 A CN104750909 A CN 104750909A
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- absorbing material
- buffering energy
- energy
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- lightweight
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Abstract
The invention belongs to the technical field of buffering materials/structures and particularly relates to a design method. According to the technical scheme, the light buffering and energy absorption material/structure integrated design method comprises the following steps of (A) primary designing, (B) 3D printing forming, (C) mechanical testing, (D) performance determining, (E) judging about whether qualification is achieved or not, (F) design improving and (G) design scheme determining. The 3D fast forming technology is adopted, a sample designed through CAE is directly transformed into a sample which can be experimented and tested from a three-dimensional model, the combination of the static experimental mechanics and the 3D scanning technology is adopted, the deformation amount and the energy adsorption rate of the material/structure are accurately and quickly obtained, the researching and developing cycle is obviously shortened, and the cost is greatly reduced.
Description
Technical field
The invention belongs to padded coaming/technical field of structures, particularly a kind of method for designing.
Background technology
Land in car crass, pilot ejection, carrier landing, helicopter air crash, parachute jumping, the occasion such as manned airborne assault vehicle landing, all may there is impact acceleration human body being caused to damage.Be the important topic of current lifesaving medical research to its protection, mainly at present carry out in protective gear and equipment material two.Lightweight buffering energy-absorbing material enjoys the field such as automobile, space flight to favor always, but its design and research and development are but subject to the restriction of the condition such as technique, application aspect.Along with the appearance of Computer Simulation experiment CAE and 3D printing, scanning technique, make a breakthrough in material microstructure design and macro property relevance and become possibility, but because 3D printing and scanning technique are emerging technologies, the integrated design associated with energy absorption performance material microscopic structures at present, there is no open report.
Summary of the invention
The object of the invention is: a kind of lightweight buffering energy-absorbing material/structure integrated design method efficiently, solution traditional design and the problem that development process efficiency is low, the cycle is long, cost is high are provided.
Technical scheme of the present invention is: a kind of lightweight buffering energy-absorbing material/structure integrated design method, comprises the following steps:
A. primary design
According to the application operating mode of lightweight buffering energy-absorbing material/structure, initial option energy-absorbing material/structure, carries out designing based on CAE method and emulates;
B.3D printing shaping
According to the design proposal that previous step draws, 3D printing shaping technology is used to prepare lightweight buffering energy-absorbing material/structure;
C. mechanical test
Material Testing Machine quasistatic, the test of weight mechanical dynamic compression property are carried out to prepared lightweight buffering energy-absorbing material/structure;
D. performance is determined
Use 3D scanning techniques, obtain the cubic deformation amount of lightweight buffering energy-absorbing material/structure after mechanical test, draw its energy absorption performance parameter;
E. it is qualified to judge whether
Take designing requirement as standard, judge that whether tested lightweight buffering energy-absorbing material/structure energy absorption performance parameter is qualified; As for qualified, then turn G step; Otherwise perform F step;
F. Curve guide impeller
Further optimization lightweight buffering energy-absorbing material/structure design, and again perform B to E step;
G. design proposal is determined
Adopt this lightweight buffering energy-absorbing material/structure, terminate design process.
The present invention adopts 3D printing speed forming technique, sample designed by CAE directly changes into from three-dimensional model can the sample of experiment test, sound state Experimental Mechanics is adopted to combine with 3D scanning technique, accurately obtain material/structure deflection and energy-absorbing rate fast, R&D cycle is obviously shortened, and cost significantly reduces.
Embodiment
Embodiment 1: a kind of lightweight buffering energy-absorbing material/structure integrated design method, comprises the following steps:
A. primary design
According to the application operating mode of lightweight buffering energy-absorbing material/structure, initial option energy-absorbing material/structure, carries out designing based on CAE method and emulates;
B.3D printing shaping
According to the design proposal that previous step draws, 3D printing shaping technology is used to prepare lightweight buffering energy-absorbing material/structure;
C. mechanical test
Material Testing Machine quasistatic, the test of weight mechanical dynamic compression property are carried out to prepared lightweight buffering energy-absorbing material/structure;
D. performance is determined
Use 3D scanning techniques, obtain the cubic deformation amount of lightweight buffering energy-absorbing material/structure after mechanical test, draw its energy absorption performance parameter;
E. it is qualified to judge whether
Take designing requirement as standard, judge that whether tested lightweight buffering energy-absorbing material/structure energy absorption performance parameter is qualified; As for qualified, then turn G step; Otherwise perform F step;
F. Curve guide impeller
Further optimization lightweight buffering energy-absorbing material/structure design, and again perform B to E step;
G. design proposal is determined
Adopt this lightweight buffering energy-absorbing material/structure, terminate design process.
Embodiment 2: lightweight buffering energy-absorbing material/structure integrated design method as described in Example 1, is characterized in that: the CAE method described in step A is computing machine finite element method; Described buffering energy-absorbing material is PLA, ABS, nylon, flexible material or metal.
Claims (2)
1. a lightweight buffering energy-absorbing material/structure integrated design method, comprises the following steps:
A. primary design
According to the application operating mode of lightweight buffering energy-absorbing material/structure, initial option energy-absorbing material/structure, carries out designing based on CAE method and emulates;
B.3D printing shaping
According to the design proposal that previous step draws, 3D printing shaping technology is used to prepare lightweight buffering energy-absorbing material/structure;
C. mechanical test
Material Testing Machine quasistatic, the test of weight mechanical dynamic compression property are carried out to prepared lightweight buffering energy-absorbing material/structure;
D. performance is determined
Use 3D scanning techniques, obtain the cubic deformation amount of lightweight buffering energy-absorbing material/structure after mechanical test, draw its energy absorption performance parameter;
E. it is qualified to judge whether
Take designing requirement as standard, judge that whether tested lightweight buffering energy-absorbing material/structure energy absorption performance parameter is qualified; As for qualified, then turn G step; Otherwise perform F step;
F. Curve guide impeller
Further optimization lightweight buffering energy-absorbing material/structure design, and again perform B to E step;
G. design proposal is determined
Adopt this lightweight buffering energy-absorbing material/structure, terminate design process.
2. lightweight buffering energy-absorbing material/structure integrated design method according to claim 1, is characterized in that: the CAE method described in step A is computing machine finite element method; Described buffering energy-absorbing material is PLA, ABS, nylon, flexible material or metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510036501.XA CN104750909A (en) | 2015-01-23 | 2015-01-23 | Light buffering and energy absorption material/structure integrated design method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510036501.XA CN104750909A (en) | 2015-01-23 | 2015-01-23 | Light buffering and energy absorption material/structure integrated design method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104750909A true CN104750909A (en) | 2015-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510036501.XA Pending CN104750909A (en) | 2015-01-23 | 2015-01-23 | Light buffering and energy absorption material/structure integrated design method |
Country Status (1)
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| CN (1) | CN104750909A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342002A (en) * | 2018-11-26 | 2019-02-15 | 王彦淞 | The application apparatus and test method of experimental performance are whipped for promoting front-row seats |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1829993A (en) * | 2003-07-24 | 2006-09-06 | 旭化成生活制品株式会社 | Optimum shape designing method and designing system |
| CN102382476A (en) * | 2011-09-30 | 2012-03-21 | 中国人民解放军第三军医大学第三附属医院 | Room-temperature plastic deformation material and manufacturing method thereof |
| CN103353915A (en) * | 2013-07-11 | 2013-10-16 | 杭州电子科技大学 | Manufacturing method of automobile side door anti-collision beam of skeleton-simulated microstructure |
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2015
- 2015-01-23 CN CN201510036501.XA patent/CN104750909A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1829993A (en) * | 2003-07-24 | 2006-09-06 | 旭化成生活制品株式会社 | Optimum shape designing method and designing system |
| US20070293967A1 (en) * | 2003-07-24 | 2007-12-20 | Takanori Sasaki | Optimum Shape Design Method and Design System |
| CN102382476A (en) * | 2011-09-30 | 2012-03-21 | 中国人民解放军第三军医大学第三附属医院 | Room-temperature plastic deformation material and manufacturing method thereof |
| CN103353915A (en) * | 2013-07-11 | 2013-10-16 | 杭州电子科技大学 | Manufacturing method of automobile side door anti-collision beam of skeleton-simulated microstructure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342002A (en) * | 2018-11-26 | 2019-02-15 | 王彦淞 | The application apparatus and test method of experimental performance are whipped for promoting front-row seats |
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Application publication date: 20150701 |