Analysis and design problems for PR composite frames subjected to seismic loads

1998 ◽  
Vol 20 (4-6) ◽  
pp. 364-371 ◽  
Author(s):  
Roberto T. Leon
Keyword(s):  
Seismic Loads ◽  
Design Problems ◽  
Analysis And Design ◽  
Composite Frames

scholarly journals On the Parametric Solution to the Second-Order Sylvester Matrix EquationEVF2−AVF−CV=BW

2007 ◽  
Vol 2007 ◽  
pp. 1-16 ◽  
Author(s):  
Wang Guo-Sheng ◽  
Lv Qiang ◽  
Duan Guang-Ren
Keyword(s):  
Control Systems ◽  
Matrix Equation ◽  
Second Order ◽  
Diagonal Form ◽  
Sylvester Matrix Equation ◽  
Parametric Solution ◽  
Design Problems ◽  
Analysis And Design ◽  
Sylvester Matrix ◽  
The Matrix

This paper considers the solution to a class of the second-order Sylvester matrix equationEVF2−AVF−CV=BW. Under the controllability of the matrix triple(E,A,B), a complete, general, and explicit parametric solution to the second-order Sylvester matrix equation, with the matrixFin a diagonal form, is proposed. The results provide great convenience to the analysis of the solution to the second-order Sylvester matrix equation, and can perform important functions in many analysis and design problems in control systems theory. As a demonstration, an illustrative example is given to show the effectiveness of the proposed solution.

Analysis and design of a modular underactuated mechanism for robotic fingers

2011 ◽  
Vol 226 (1) ◽  
pp. 242-256 ◽  
Author(s):  
S Yao ◽  
M Ceccarelli ◽  
Q Zhan ◽  
G Carbone ◽  
Z Lu
Keyword(s):  
Optimization Problem ◽  
Modular Design ◽  
Optimality Criteria ◽  
Design Problems ◽  
Design Algorithm ◽  
Underactuated Mechanism ◽  
Analysis And Design ◽  
Design Concepts ◽  
Practical Feasibility ◽  
Robotic Fingers

This paper presents an analysis of the design problems and requirements for underactuated mechanisms for robotic fingers. The case of performing a grasping task is considered and a solution is proposed that consists of a series of linked underactuated mechanisms. Optimality criteria are analysed with the aim of formulating a general design algorithm based on a suitable optimization problem. An example of a four-phalanx modular finger is used to highlight the practical feasibility of the proposed modular design concepts and procedures.

scholarly journals N. Z. parliament buildings seismic protection by base isolation

1992 ◽  
Vol 25 (3) ◽  
pp. 147-160 ◽  
Author(s):  
R. A. Poole ◽  
J. E. Clendon
Keyword(s):  
Base Isolation ◽  
Public Spaces ◽  
Seismic Protection ◽  
Seismic Loads ◽  
Structural System ◽  
Ground Floor ◽  
Analysis And Design ◽  
Basement Walls

Parliament House is to be partially demolished and rebuilt, extended within the existing perimeter envelope, refurbished and replanned except for the major public spaces, seismically upgraded by means of base isolation and enhancement of existing foundations, basement walls, ground floor, upper floor walls and floors. This paper describes the assessment of appropriate seismic loads, the structural system, the analysis and design of the retrofitted structure. Anticipated construction procedures and difficulties are also addressed.

scholarly journals Seismic Analysis of Steel Structures with and Without Bracings in Different Seismic Zones

2019 ◽  
Vol 8 (10) ◽  
pp. 4491-4494
Keyword(s):  
Material Properties ◽  
Seismic Analysis ◽  
Steel Structures ◽  
Seismic Loads ◽  
Rolled Steel ◽  
Analysis And Design ◽  
Seismic Zones ◽  
Steel Sections ◽  
Design Software ◽  
Support Conditions

In the present study four G+5 steel structures were modeled without bracings and having X, V bracings and diagonal bracings with foundation depth of 2m support conditions are assumed to be pinned at the bottom or at the supports/footings, seismic loads are applied as per IS:1893-2002 The structures having length = 28.2 m, width = 17m and height = 20m. The structures modeled in STAAD.Pro“structural analysis and design software by considering various loads and load combinations by their relative occurrence are considered the material properties considered are” Fe250 rolled steel sections structures were considered in seismic zones 2, 3, 4 and 5 X type bracings systems are observed to better in high seismic zones.

scholarly journals A FINAL YEAR DESIGN COURSE BASED ON INDUSTRY DERIVED PROJECTS

2011 ◽  
Author(s):  
Greg J. Schoenau
Keyword(s):  
Design Theory ◽  
Final Report ◽  
Student Group ◽  
Design Problems ◽  
Student Groups ◽  
Analysis And Design ◽  
Real World Problem ◽  
Design Alternatives ◽  
Method Of Production

This paper describes a two term design projects course in the Mechanical Eng. Dept. at the U of S. It is considered to be a “flagship” course for students in the final year of their program. Students focus on solving design problems submitted by industries and other outside organizations. Each student group works on a separate and unique project. The course provides students with an excellent opportunity to apply their engineering analysis and design theory. They function as a team, typical of practicing consulting engineers. They are responsible for the direction and quality of the work performed. Faculty act as technical advisors to the students, not as supervisors. The student groups search the literature, brainstorm design alternatives and analyze and test promising alternatives. A final report and seminar presentation are required for every group as well as periodic progress reports and presentations. Students get to work on a “real world” problem, typical of exactly what they might experience after graduation. This is really an extremely important and crucial distinguishing feature of the course and serves as a strong motivator for the students. The course therefore acts as a bridge between a student’s academic training and their practice of engineering. For industry, it is an opportunity to investigate the feasibility of a new design, process or method of production for minimal cost.

scholarly journals Study on Dynamic analysis of Diagrid and Outrigger Structures Subjected to Seismic and Wind Load

2021 ◽  
Vol 9 (VII) ◽  
pp. 2813-2828
Author(s):  
Sharath Kumar N
Keyword(s):  
Wind Loads ◽  
Seismic Loads ◽  
Live Load ◽  
Structural Members ◽  
Floor Plan ◽  
Base Shear ◽  
Dead Load ◽  
Modeling And Analysis ◽  
Analysis And Design ◽  
Story Drift

A Comparative study of G+30 story regular, diagrid, outrigger structure is presented. A square shaped floor plan of 18 m × 18m size was considered. ETABS 2016 was used in modeling and analysis of structural members. All structural members were designed as per IS 456:2000, load combinations such as dead load, live load, earthquake and wind loads were considered for analysis and design of the structure. Later Regular, Diagrid and outrigger structural systems were compared; the key results like Base shear, story displacement and story drift are obtained. It is found that diagrid system is efficient in resisting seismic loads and outrigger system is found efficient in resisting wind loads.

Multilevel Optimization Procedures for Gas Turbine Design: Part I — Mathematical Formulation

1994 ◽  
Author(s):  
Fabio Ghiglino ◽  
Aristide Massardo
Keyword(s):  
Gas Turbine ◽  
Mathematical Formulation ◽  
Energy Systems ◽  
Multilevel Optimization ◽  
Design Problems ◽  
Analysis And Design ◽  
Turbine Design ◽  
Decomposition Principle

Two procedures for splitting a large optimization energy systems problem into a hierarchy of separated but coupled subproblems are introduced. The mathematical formulations of the two multilevel optimization procedures are presented and discussed. Both the methods are based on a linear decomposition principle. In the first, the concept of optimal sensitivity is utilized, while in the second this concept is relaxed and the mathematical formulation is more simple. The applicability of the analyzed procedures will be illustrated by formulation of realistic analysis and design problems in the field of gas turbine systems, in the second part of the present work (Ghiglino and Massardo, 1994).

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