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High Precision Reverse Engineering Design for Complex Structural Component Based on Meta Feature Wenwu Wu1, a, Jun Hong1,b Baotong Li1,c and Zhaohui Yang1,d 1 The State Key Lab for Manufacturing Systems Engineering, Xi’an Jiaotong University, Xi’an 710049, China awuwenwuxjtu@stu.xjtu.edu.cn, bjhong@mail.xjtu.edu.cn, cbaotong.csu@stu.xjtu.edu.cn, dyzhh@stu.xjtu.edu.cn Keywords: Reverse engineering, Meta feature, Silicone mould, Complex structural component.
Abstract.A high precision reverse engineering design method for complex structural component which based on the meta feature is presented.
Introduction The design of complex structural component covers multi-disciplinary field and largely adopts reverse engineering at present.
As the measurement for impeller’s exterior shape and inner channel can’t be conducted in the same coordinate, 3-datum point location method is usually adopted in engineering for the alignment of multi-view point cloud data [4].However, the point features of silicone mould are difficult to extract as it is a soft material.
Although the average error has increased slightly, the increment is within 0.005mm, satisfying actual requirements in engineering.

Analysis on Avoid Incision in Underground Engineering Reinforcement Technique against Cutting Resistance Bo Wanga, Yong Zhangb, Hongwei Liuc Department of Airport Engineering, Air force Service College, Xuzhou, Jiangsu 221000, China; awangbo543@163.com, bfreebirdzy1980@163.com, cLiupeihao05@1yahoo.com.cn Keywords: Underground engineering; Avoid incision; Penetration Abstract.
Figure4 is the hole for underground engineering to avoid incision reinforcement technology shaping figure.
According to the actual circumstance of the engineering rock, the unconfined compressive strength of the rock f c take 10 Mpa; The rock quality index Q take 0.2; According to the above terms, the characterization of rock materials can be indicators of penetration S take 2.19; Warhead shape factor N, according to 1000 pounds of low resistance type blasting of conventional weapons play (MK83) actually, N take 1.5; Take 985.635 lb projectile weight W, projectile cross-sectional area A, take 154.37 in2.
Above, greatly improve the underground engineering of mouth camouflage and protection ability.
Aug, 2005, 21(4): 151～155 [2] SHI Mangang, Key technologies study on approach to entrance of large profile tunnel in loose rock with biased load.

A Comparative Analysis on Materials and Resources in Green Assessment Tools for Various Countries Nurul Akmam Naamandadin1,3,a, Norhaizura Yahya1,b and Abdul Razak Sapian2,c 1Department of Civil Engineering Technology, Faculty of Technology Engineering, Universiti Malaysia Perlis, Malaysia 2Department of Architecture, Kulliyyah of Architecture and Environmental Design, International Islamic University Malaysia, Malaysia 3Centre of Excellence Geopolymer and Green Technology, School of Materials Engineering, Universiti Malaysia Perlis (UniMAP), Taman Muhibbah 02600, Jejawi, Arau, Perlis, Malaysia anurulakmam@unimap.edu.my, bnorhaizura@unimap.edu.my, and barazaks@iium.edu.my Keywords: Materials and Resources, Energy Efficient Design, Green Building ABSTRACT: The concept of sustainable building incorporates and integrates a variety of strategies during the design, construction and operation of building projects.
BREEAM Mat 2 (Responsible sourcing of Materials: Basic Building Elements) is aimed to recognise and encourage the specification of responsibly sourced materials for key building elements while BREEAM Mat 3 (Responsible sourcing of Materials: Finishing Elements) aim is to recognise and encourage the specification of responsibly sourced materials for secondary building and finishing elements.
Materials Selection for Green Buildings: which Tools for Engineers and Architects?
Procedia Engineering, 21, 883 – 890. doi:10.1016/j.proeng.2011.11.2090 [6] Pomeroy, J. (2011).
Journal of Engineering, Design and Technology, 7(1), 99-121

The porous scaffold is prospect for bone tissue engineering. 1.Introduction Bone tissue engineering is very important in tissue engineering, the basic material is a scaffold which acts as a carrier or template for cells or other bioactive factors and induces bone tissue regeneration [1].
The material of bone tissue engineering scaffold must be biocompatible, osteoconductive and osteointegrative, and have enough mechanical strength to provide structural support during bone growth and remodeling [2] .
Hydroxyapatite (HA) porous ceramics have been used as tissue engineering material for cell culture and tissue repair due to its good biocompatibility and osteoconductivity.
The porous scaffold is prospect for bone tissue engineering.
Zhang. : Biomaterials, 25 (2004)5171-5180 [3] Wei Jie, Li Yubao : Eeropean Polymer Journal, 40 (2004) 509-515 [4] Zuo Yi, Li Yubao, Wei Jie, Han Jing, Xu Feng-lan :Journal of functional materials (Chinese) 2004.(435)513-516 [5] Li Yubao, Zuo Yi, Wei Jie :Patent, China, CNZL 200310111033.5 [6] Cerroni,L.; Filocamo, R.; Fabbri,M.; Piconi,C.; Caropreso,S.; Cond,S.G : Biomolecular Engineering. 19 (2002) 119-124

Modern bamboo engineering material is a new fast-renewable green building material with light weight and high strength.
The bamboo structure constructed by new bamboo engineering materials has the advantages similar to wood structure and appeals many researchers all over the world [2].
The lack in understanding of the bamboo frame structure made of new bamboo engineering materials becomes the obstacle of its application.
References [1] Qingfang Lv, Yang Wei, Qisheng Zhang, Yongzhe Yu, Zhitao Lv, Key technology of the new anti-seismic model living room with bamboo engineering materials, J.
[2] Qingfang Lv,Yang Wei, Qisheng Zhang, Yongzhe Yu, Zhitao Lv, Experimental study on mechanical properties of basic components for a new anti-seismic room with bamboo engineering materials, J.

This article collection brings together a diverse yet interconnected range of topics that reflect the latest developments across key domains in contemporary industry.
Articles were presented at the 3rd International Conference on Recent Advances in Materials and Manufacturing Technologies (IMMT 2023, 20-23 November 2023, Dubai, UAE).
The edition will be both a scholarly reference and a practical guide for researchers, practitioners, and students seeking a deeper understanding of emerging technological trends and engineering methodologies.

Envolope of a buidling are key to its insulation performance.
With a focus on research of traditional non-wood fibrous material modification with existing technology and the engineering practice in non-wood fibre roof in villages and towns of cold region, this paper came up with the prospects of its applicatin in the following design strategies including “ecological and conservation-oriented roofing with modified local materials, new hybrid roofing with simplified construction technology and paper tensioning roofing with innovative synthetic materials”.
It is a must to renovate and replace the materials of non-wood fibrous material roofing.
Straw materials are flammable.
As the original raw materials to make paper and paper pulp, non-wood fibrous materials are now in relatively developed treatment processes.

These design features offer a great range of possibilities for research seeking to derive engineering principles from natural systems by adapting these principles for the improvement of man-made systems.
Woods were selected as raw materials.
Greil: Ceramic Engineering and Science Proceedings 21(4)(2000), p53 [8] Y.Shin, J.Liu and J.
H.Sun et al.: Key Eng Mater.
Xie, D.Zhang and T.X.Fan et al.: Materials Letters Vol.56(2002), p.102 [20] X.Q.Xie, T.X.Fan and B.H.Sun et al.: Materials Science and Engineering.

Open solicitation for qualified suppliers, expert assessment, establishment of qualified suppliers database, reassessment and other procurement modes are applied in bids of large-scaled public construction engineering so that contractors could select the materials according to the qualified suppliers database and an effective way could be ensured to the procurement of large public construction engineering with high technical contents, high construction costs and key roles in the operation of the system.
Procedures of Selecting Qualified Suppliers’ Materials The application of the Procurement in the Project of Guangzhou Asian Games Stadiums On Aug.31st ,2010, Guangzhou Asian Games Projects was transferred to Asian Games Organization Committee and the engineering construction has entered the phase of project settlement.
After the engineering practices over one year, marvelous excellent results have been achieved.
References [1]A Model Tender Document for Guangzhou Municipal Construction Engineering Open Tender Projects GZZB200612-015-1 [2] Qi Meng, Dongqing Duan, Hao Xiong, Kewu Liu: Logistics Technology Vol. 06 (2007), p.169-172 [3] Yanhao Huang: Guangdong Building Materials Vol. 12 (2004), p.57-58 [4] Notice on Strengthening the Site Quality Management to Building Materials in the Field of Construction Engineering GZJC[2001]200
[5]Guangzhou Construction Engineering Bidding Management Office Bidding Complains Handling Approaches GZJZ[2003]019.

Decision Model in Selecting Engineering Materials for Pump Manufacture Joseph W.K.
Introduction Proper selection of engineering materials is one of the main causes for higher product performance and the economy of manufacture.
The decision on selecting appropriate engineering materials for a specific application can be a difficult task and usually a time consuming process.
This has a major drawback by overlooking any new engineering materials available in the market.
The potential engineering materials for pump production are: titanium (Ti), nickel alloy (Ni), 316 stainless steel (SS), martensitic stainless steel (MSS), and cast iron (CI).