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김호수(Kim Ho-Soo),이한주(Lee Han-Joo),남경연(Nam Kyung-Yun) 대한건축학회 2009 大韓建築學會論文集 : 構造系 Vol.25 No.1
This study presents the optimal alternative evaluation technique of geodesic dome structure according to the member division and grouping method. To this end, we need the automated computation of joint coordinates and numbering for the consideration of shape change effect. Also, the member resizing technique under the 'constant-shape' assumption and the design variable linking technique for member grouping are developed. Specifically, the optimal design formulation and algorithm are presented through the sensitivity analysis technique and the various example models are applied in order to find out optimal alternative of geodesic dome structure.
김호수(Kim Ho-Soo),홍석일(Hong Souk-Il),신효범(Shin Hyo-Bum) 대한건축학회 2008 大韓建築學會論文集 : 構造系 Vol.24 No.8
The deformation and crack of stone pagoda are caused by the specific changes of ground characteristics such as the slope and depth difference of ground subsidence in weak zone. This phenomenon influences the safety and long-term conservation of stone pagoda structure. Therefore, we evaluate the structural influence of stone pagoda structure by carrying out the structural modeling and analysis according to the various ground characteristics models using the discontinuum analytical method.
위상 및 크기 최적화를 고려한 대공간 철골트러스 구조물의 형상결정 방안
김호수(Kim Ho-Soo),양명규(Yang Myung-Kyu),박영신(Park Young-Sin),이한주(Lee Han-Joo) 대한건축학회 2010 大韓建築學會論文集 : 構造系 Vol.26 No.2
It is very important to find out the initial shape for the efficient design of spatial steel truss structure. Also, the reasonable optimization techniques are required in order to perform the optimal design of the structure. Traditionally, the structural design process starts with an initial conceptual model which is inspired by the designer's intuition and previous experiences. So, this study is to provide the information about the optimum layout of structure through the integrated process for the initial topology and final size optimization. To this end, this study finds out the initial optimum layout of spatial steel truss structure by using the topology optimization for unit structure model, and then decides the final optimal shape by using the size optimization for the total structure combined with several unit models.
김호수(Kim, Ho-Soo),김재윤(Kim, Jae-Yoon),박영신(Park, Young-Sin),정성진(Jung, Sung-Jin),김왕직(Kim, Wang-Jik),김덕문(Kim, Derk-Moon) 대한건축학회 2011 大韓建築學會論文集 : 構造系 Vol.27 No.10
The traditional fortress structures have the various construction types in the shapes, slopes and infilled materials. Also, we should consider the various applied load conditions as design variables, and then check the dicontinuum behavior characteristics for the reasonable structural modelling and analysis of fortress structure. Therefore, this study selects the representative fortress structure, and then performs the structural modelling considering the various construction shapes and slope variations. Especially, this study evaluates the structural behaviors according to the construction types of fortress structures by comparing the stress and displacements through the discrete element analysis.
김호수(Kim Ho-Soo),오주영(Oh Ju-Young),박영신(Park Young-Sin) 대한건축학회 2012 大韓建築學會論文集 : 構造系 Vol.28 No.8
The structural and design parts should be considered because the free-formed structures have the unformal and irregular shapes. Especially, the initial design for the free-formed structures should be performed through the various structural pattern creation. To this end, this study creates the structural patterns of free-formed structures using the biological algorithm for L-system model of morphogenesis technique. Also, the free-formed structural shapes are classified as the internal and external patterns with the connection method, and the various structural patterns are created by applying the parameters through the assumption of joint coordinates for the final string arrays.
하단부 손상유형에 따른 성곽구조물의 구조적 거동특성 평가
김호수(Kim, Ho-Soo),한철희(Han, Cheol-Hee) 대한건축학회 2017 大韓建築學會論文集 : 構造系 Vol.33 No.9
Domestic traditional fortress structures are located at the mountainous area and receive the various loads including the self weight and the lateral load due to the soil pressure at the same time. Especially, the lateral load due to the soil pressure increases as it goes downward, and various damage patterns occur as the influence of the lateral load increases at the lower part of the fortress structure. Damages in the lower part of the fortress structure cause various structural problems such as unequal load distribution and stress concentration of the structure, and accordingly, countermeasures against such problems are required. Therefore, this study selects the representative model reflecting the damage patterns of the lower part of the fortress structure. In addition, structural modeling and structural analysis reflecting the characteristics of discontinuities are performed to evaluate the structural behavior of fortress structure.
김호수(Kim Ho-Soo),차근창(Cha Geun-Chang),정성진(Jung Sung-Jin),김왕직(Kim Wang-Jik),배병선(Bae Byung-Sun),김덕문(Kim Derk-Moon) 대한건축학회 2012 大韓建築學會論文集 : 構造系 Vol.28 No.9
The construction types of the arched stone bridges show generally the semi-circled shapes. But, the several types have been constructed by considering the height-width ratios according to the installation locations. The arched stone bridges with the various arched types have the different load transfer mechanism and show the different structural behavior according to the axis variation. Therefore, this study analyzes the mechanical behavior characteristics according to the various arched types and applies the discrete element method for the modelling and analysis of discontinuum structure.
스페이스 프레임 구조물의 형상생성 및 최적설계를 위한 통합 모듈화 방안
김호수(Kim Ho-Soo),박영신(Park Young-Sin),이민호(Lee Min-Ho),이한주(Lee Han-Joo) 대한건축학회 2010 大韓建築學會論文集 : 構造系 Vol.26 No.12
Space frame structures need shape generation and optimum design to secure the safety and economy. Especially, the shape of structure is an important factor to determine the optimum design results. However, in spite of the importance of the shape design, the shape decision of structure relys on engineer's intuition and previous experiences. Also, in the optimum design problem, the minimum weight of the structure has been adopted as the objective function in most cases because it is focused on improving economic efficiency. However, this minimum weight optimum design method does not guarantee the maximum stiffness of the structure. Therefore, this study presents the integrated program modular system for the efficient shape generation and optimum design. This integrated modular system consists of shape generation module, structural analysis module and optimum design module. Each module can be connected with a commercial program by using pre/post process. Shape generation module creates the desirable shapes by using the parameterized design variables and the shape can change during the optimization process. Also, in optimum design module, maximum stiffness based on the minimum weight optimum design can be optimized in the step design process that the best results can be derived. For the development and improvement of integrated modular system, the application example with several design variables is considered.