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Introduction At current, there is required super large-radius deployable antenna in order to obtain signals of micro little energy in some science fields.
Optimization variable Aim function Constraint conditions: Where is the cross area of the cord, is material permissible stress of the cord.
Acknowledgment This work was supported in part by the Research Fund of the Creative Technological Talents of the City of Harbin (2008RFQXG032), the Special Fund from the Central Collegiate Basic Scientific Research Bursary (HEUCF110703) and the Heilongjiang Postdoctoral Science Foundation (323630297).
References [1] Niu Zhiyong, Wang Sanmin and Wang Lei: Mechanical Science and Technology for Aerospace Engineering Vol. 3 (2009), p. 331 [2] Li Tuanjie, Zhang Yan and Li Tao: Acta Aeronautica Et Astronautica Sinica Vol. 3 (2009), p. 444 [3] Zhao Mengliang , Wu Kaicheng and Guan Fuling: Journal of Zhejiang University Vol. 39 (2005), p. 1669 [4] Yang Yulong and Guan Fuling: Chinese Journal of Space Science Vol. 5 (2009), p. 529 [5] LUO Ani, DENG Zongquan, LIU Rongqiang and LIU Heping: Journal of Harbin Engineering University Vol. 3 (2011), p. 355

Material properties used in the simulation [11].
Chueh, 3D printing of multiple metallic materials via modified selective laser melting, CIRP Annals 67 (2018) 245-248
Yang, A numerical study on the mesoscopic characteristics of Ti-6Al-4V by selective laser melting, Materials (Basel) 15 (2022) 2850
Kowitwarangkul, Effect of hatch spacing in selective laser melting process of Ti-6Al-4V alloy on finished surface roughness: A computational study, Journal of Metals, Materials and Minerals 34 (2024) 1861
Guo, Three-dimensional temperature gradient mechanism in selective laser melting of Ti-6Al-4V, ASME Journal of Manufacturing Science and Engineering 136 (2014) 061004

Materials and methods Study area.
Journal of Tongji University (Natural Science), 6(2010), p. 865-869 [2] YAO Xin, YANG Guishan.
Journal of Lake Sciences, 2(2002), p.179-184 [7] CHEN Shipeng, JIANG Xikui, ZHANG Jinglai.
Journal of Applied Ecology, 15(2004), p.2337-2341 [12] HAN Xiaoyuan, SONG Zhiwen, LI Peiying.
Journal of Lake Sciences, 20(2008), p.741-747 [13] Headley T.R., Herity E., Davison L.

Materials and methods The experiment was carried out in an area of Shenyang Agricultural University, located in Shenyang (latitude: 41°44'N, longitude: 123°27'E, altitude: 44.7m above sea level) of Liaoning province of China.
Journal of Southwest Agricultural University, Vol. 1 (2003), p. 77 -79 [5] AN Xiangdong.
Shaanxi Journal of Agricultural Sciences, (2002), p. 32-42 [10] LING Mingwu, LIU Jianting.
Journal of Hebei Forestry Science and Technology, (2002), p. 31 -33 [11] HUANG Xingxue, ZOU Zhirong.
Shaanxi Journal of Agricultural Sciences, (2002), p. 8 -10 [12] SHU Zhantao, LING Fengqi, ZHANG Guixian.

Nili Ahmadabadi: Materials Science and Engineering A Vol. 475 (2008), p. 224
Langdon: Materials Science and Engineering A Vol, 410–411 (2005), p. 435
Luo: Materials Characterization Vol. 58 (2007), p. 190
Kim: Materials Science and Engineering A Vol. 420 (2006) 165
Wang: Materials and Design Vol. 27 (2006), p. 794.

Lime stabilization is particularly important in highway construction for modifying the sub-grade soils, sub-base materials and base materials.
Methodology Materials The materials used for this research are natural clay soil, quicklime and water.
According to the suitability of lime stabilization for soils of different grain size and plasticity, fine-grained materials must more than 25% passing passes sieve No.200 (0.075mm) and plastic index is greater than 10.
“A comparative review of soil modification methods”, ARPN Journal of Earth Science. 1(2):36-41
“Soil improvement with lime”, IOSR Journal of Mechanical and Civil Engineering. 1(1): 51-53

Journal of Rare Earths, Vol. 30(1) (2012),p. 43 (In Chinese) [5] Ning Li, Chenghui Gao, Suzhen Yang.
Materials Protection, Vol. 41(5)(2008),p.81 (In Chinese) [8] Suqin Liu; Gaopeng Dai; Gaofang Wang, Wenjie Zhu.
Materials Protection, Vol. 41(4) (2008), p.38 (In Chinese) [9] Gengfeng Deng, Ping Wang, Yongfa Huan, CN Patent 2010102381546, (2011) (In Chinese) [10] He Guirong.
GanZhou: JiangXi University of Science and Technology, (2011) (In Chinese) [11] Kuang Juchi, Huang Ying.
Journal of Rare Earths, Vol. 28(2010),p,469

China Safety Science Journal, 2009, 19(4): 169-176
Journal of Safety and Environment, 2012, 12(004): 207-211
Development and Application of Materials, 2013,28(5):95-100
Beijing:Science Press, 1993 :913-915 [9] Zhao Zhangyan,Sun Guozheng.
Journal of Wuhan University of Techno logy:Transportation Science & Engineering, 2002, 26(4): 441-443

To study the influence of the material in the stress field, the results obtained out of two materials are compared.
Material Parameters for Hardening Laws Hardening Law Material Parameters K [MPa] 0ε n Material 1 (DC06 0.8mm) ( ) ( )npKpk += 0ε 517.4 0.007 0.26 yσ [MPa] RSAT [MPa] CR Material 2 ( ) ( )[ ]pC Rpk R SAT y −−+= exp1σ 140.47 370 30 Table 3: Hardening laws material parameters.
Conclusions and Perspectives The geometrical ratio h/b=10 in the measurable zone of the specimen geometry seems to be the most performing since the stress error is less than 1% for the two materials.
Hill: The Mathematical Theory of Plasticity (The Oxford Eng Sciences Series, 1950)
Habraken: International Journal of Forming Processes, Special Issue (2005) pp.117 - 137.

References [1] QiuWang, Xiaojian Hu,Leizhen Li.The kinematic analysis and simulation of the humanoid welding manipulator based on the MATLAB[J].Materials science and engineering college of Hefei University of Technology, 2011, 4
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