Finite-element modelling of elastic woven tapes for bra design applications

Zhang, Shichen; Yick, Kit Lun; Chen, Lihua; Yu, Winnie; Lau, Newman

doi:10.1080/00405000.2019.1704962

Cited by 6 publications

(3 citation statements)

References 35 publications

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“…A computer-aided simulation of the interaction between the human breast and bra has been in a large portion of literature (Li et al, 2003;Sun et al, 2019aSun et al, , 2021Liang et al, 2019Liang et al, , 2020Zhu, 2020;Zhang et al, 2020). This method allows easy modification of bra parameters and human size (Jhanji, 2018) and rapid visualization of the entire breast deformation.…”

Section: Introductionmentioning

confidence: 99%

Predicting the effect of bra pad specifications on breast deformation during jumping using a finite element method

Liu

Sun

Zuo

et al. 2023

IJCST

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PurposeThe purpose of this paper is to predict the effect of bra pad specifications on breast deformation during jumping using a finite element (FE) method. Breast deformation is a key concern for women during exercise and can be effectively controlled with sports bras. In most studies, the deformation of breasts when wearing a sports bra is measured using motion capture devices to judge their effectiveness. However, the operation of such devices is highly complex and time-consuming. Computer-aided technology is an efficient way to simulate these experiments.Design/methodology/approachIn this study, the breast model was obtained using three-dimensional (3D) scanning. Assembling models were obtained for FE analysis using reverse engineering and computer-aided design (CAD) software. The breast deformation results were obtained by completing pre-processing, solving and post-processing in the FE simulation software. To extend the application of these models, pads of different sizes and thicknesses within the bra were constructed to simulate the effect of pads on breast deformation.FindingsThe calculated root mean square errors were <1%, which indicated good agreement between the FE and experimental data in all the models. Nipple deformation was always the largest in most models. The smallest deformation occurred at the superior position of breasts in all models. In addition, larger pads were not effective in reducing breast deformation; however, thicker pads were.Originality/valueThe method developed in this study provides an effective way to predict breast deformation in multiple positions and is convenient for designing compression bras.

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Section: Introductionmentioning

confidence: 99%

Predicting the effect of bra pad specifications on breast deformation during jumping using a finite element method

Liu

Sun

Zuo

et al. 2023

IJCST

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show abstract

“…According to the subdivision of shapewear, the underbust corset is a kind of adjustable shapewear that mainly acts on the waist, abdomen and back of the upper torso of the human body. At present, many studies on shapewear have mainly focused on shaping bras [7][8][9] and girdles, [10][11][12] while there have been few studies on underbust corsets. 13 Previous studies on the function of shapewear have focused on two aspects: one is based on the pressure test to explore the pressure threshold 14,15 when the shaping efficacy is optimal; the other is based on subjective evaluations to establish prediction models 10,16 with the shaping efficacy as the main output.…”

mentioning

confidence: 99%

A study on the shaping efficacy grading model of underbust corsets based on three-dimensional body scanning

Zuo

Wang

et al. 2022

Textile Research Journal

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The aim is to establish a shaping efficacy grading model for underbust corsets by exploring the pressure and shaping efficacy. Nine Chinese female college students aged 20–25 years old were employed in the pressure test and shaping efficacy experiment. In the pressure test, the pressures were measured at 31 points before and after wearing underbust corsets. In the shaping efficacy experiment, participants underwent three-dimensional body scanning before and after wearing underbust corsets. By analyzing the relationship between the pressure and shaping efficacy of underbust corsets, a shaping efficacy grading model characterized by pressure was established using the indirect grading method: when the comprehensive pressure values of the underbust circumference (UBC), waist circumference (WC) and abdominal circumference (AC) are 0–1.8, 1.8–2.4 and 2.4–3.4 kPa, the shaping efficacy of underbust corsets should be Grades I, II and III, respectively. Finally, the applicability of the grading model obtained is discussed, and the optimized model of underbust corsets based on the average pressure values is established: when the average pressure values of the UBC, WC and AC are 0–1.4, 1.4–2.1 and 2.1–3.4 kPa, the shaping efficacy of underbust corsets should be Grades I, II and III, respectively.

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“…Similarly, a FE method was proposed by Zhang et al. 11 to simulate the interaction between the shoulder strap and upper body, so as to eliminate the limitations of the traditional evaluation methods.…”

mentioning

confidence: 99%

Study on realizing the personalized customization of bra cup by solving the inverse problem of bra cup design

Guo

Zhang

Chen

et al. 2021

Textile Research Journal

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In the process of bra cup customization, the matching between bra cup surface and breast shape largely depends on the practical experience of designers. To achieve effective customization, this study proposes an inverse design method. This method prescribes the surface of the main test section and subsequently optimizes the corresponding shape of the bra cup, thus minimizing the supremum of pressure in the target region. The optimization framework is mainly based on the particle swarm optimization algorithm and Kriging surrogate model. The inner surface of the bra cup represents the study model, and the three-dimensional morphology of the bra cup is characterized by the free-form deformation. The result exhibits a reduction of 22.51% in the pressure of the design cup as compared to the body size cup. The developed method can contribute to the engineering and personalized customization of the bra cup, thus further improving the fitting of the bra cup.

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Finite-element modelling of elastic woven tapes for bra design applications

Cited by 6 publications

References 35 publications

Predicting the effect of bra pad specifications on breast deformation during jumping using a finite element method

Predicting the effect of bra pad specifications on breast deformation during jumping using a finite element method

A study on the shaping efficacy grading model of underbust corsets based on three-dimensional body scanning

Study on realizing the personalized customization of bra cup by solving the inverse problem of bra cup design

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