Optimal design method of carbon fiber reinforced composite material for automobile b-pillar reinforcement plate
A reinforced composite material and optimized design technology, applied in multi-objective optimization, design optimization/simulation, computer-aided design, etc., can solve the problems of long calculation time of finite element vehicle collision model and layer thickness, etc., to shorten the design cycle, The effect of reducing simulation time and fast and efficient design
Inactive Publication Date: 2021-09-21
JILIN UNIV
View PDF4 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0007] The technical problem to be solved by the present invention is to overcome the long calculation time of the finite element vehicle collision model existing in the prior art and solve the problems of carbon fiber reinforced composite material layup thickness, layup angle and layup sequence design, and provide a Optimal Design Method of Carbon Fiber Reinforced Composite Materials for B-pillar Reinforcement Plate of Automobile
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment
[0090] refer to figure 1 Next, the present invention introduces the optimization design method of utilizing the described automobile B-pillar reinforcement plate carbon fiber reinforced composite material in conjunction with examples;
[0091] 1. Decoupling the B-pillar structure from the vehicle finite element model
[0092] 1) see figure 2 , according to the original vehicle side impact model, retain the parts connected to the B-pillar to ensure the accuracy of its deformation, that is, the door sill beam, side panel, roof beam, door tubular anti-collision beam, plus the B-pillar structure as a substructure model.
[0093] 2) Use the area close to the connection position of the B-pillar among the parts connected to the B-pillar and the front end surface of the buffer honeycomb aluminum of the side impact trolley as the collision reference point, carry out the finite element calculation of the side impact, and extract it through the Ls-prepost post-processing software The...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a method for optimizing the design of carbon fiber reinforced composite materials for automobile B-pillar reinforcement plates. For the problem of layer sequence design, the steps of the optimal design method are: 1. Decoupling the B-pillar structure from the vehicle finite element model; 2. Optimization of the carbon fiber reinforced composite B-pillar reinforcement plate: 1) Static B-pillar reinforcement plate Establishment of working conditions; 2) Static layup optimization of carbon fiber reinforced composite B-pillar reinforcement plate: (1) Topology optimization; (2) Size optimization; (3) Sequential optimization; 3) B-pillar reinforcement plate optimization results in decoupling Verification and calculation of the substructure under dynamic working conditions: (1) Improve the B-pillar reinforcement plate; (2) Simulate and analyze the model with the optimized carbon fiber reinforced composite B-pillar reinforcement plate; (3) View the optimized B-pillar Comparison data with the B-pillar in the original model.
Description
technical field [0001] The invention relates to a design method in the field of automobile passive safety research, more precisely, the invention relates to an automobile B-pillar structure decoupling and an automobile B-pillar reinforcement plate carbon fiber reinforced composite material optimization design method. Background technique [0002] With the shortage of energy and the rise of new energy vehicles, lightweight has become an indispensable research content in the current automotive industry. Today's main lightweight design methods for passenger cars include: adopting topology and other methods for structural design of body parts, a large number of applications of high-strength steel, and the use of lightweight metals and non-metallic materials such as polymer materials, ceramic materials, and composite materials. Among them, carbon fiber-reinforced composite materials have been initially used in composite body structures due to their advantages such as low density,...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): G06F30/23G06F30/15G06F119/14
CPCG06F30/15G06F30/23G06F2111/06G06F2119/06
Inventor 张君媛姜哲李仲玉张秋实王丹琦郭强纪梦雪舒畅陆炳全
Owner JILIN UNIV