With rising sea level and climate change, coastal protection against natural hazards such as typhoons and storm surges becomes increasingly important in densely populated areas. Yet, how to integrate necessary engineering structures for coastal protection with development of a healthy socio-ecological system represents a realistic
The integrated thermal protection structure is usually in a severe unstable thermal environment, and the time effect of thermal load, namely transient thermal effect, is obvious. In order to avoid huge calculation consumption of transient thermal analysis, previous optimization design studies of integrated thermal protection structures usually
Modular high-rise buildings frequently adopt cast-in-place concrete to ensure building integrity. To reduce the material consumption and realize mold-free casting, a 30 mm thick light concrete
The Thermal Protection System, or TPS, is the layer that shields spacecraft from the extreme aerodynamic heating that occurs during re-entry and launch. We proposed an optimized design of an Integrated Thermal Protection System (ITPS) in this paper. An ITPS provides thermal protection as well as structural load-bearing
Distinguished from the existing approaches, we use two different sets of design variables in a uniform optimization loop, that is, the geometric parameters for the
Developing lightweight and efficient ablation-resistant materials with thermal insulation and conformability over 2500 °C is extremely important for the thermal protection of hypervelocity aerospace vehicles, but significant challenges remain. Herein, a unique lightweight heat protection and insulation integrated composite (QCF/SPA) is
Current studies of the integrated thermal protection system (ITPS) are mainly focused on the metal corrugated core sandwich panels, resulting in low service
integrates information from various professional fields such as architectural design, structural . design, and electromechanical equipment design into a unified model, achieving the sharing and collaboration of design information[1]. Traditional design methods can easily lead to design errors, construction delays, and cost overruns.
1. Introduction. In recent years, in the field of civil engineering, modular integrated construction (MIC) has become a hot research topic. MIC technology can be used to standardize the processing, manufacturing, and maintenance of structural components, and to realize industrialization and automated production of building
Modern fire-resistant design methodologies for concrete and steel structures are discussed, including methods based on standard fire tests as well as performance-based engineering analysis methods that involve heat transfer and structural analysis at elevated temperatures. This report is not intended to provide step-by-step
We proposed an optimized design of an Integrated Thermal Protection System (ITPS) in this paper. An ITPS provides thermal protection as well as structural
Collaborative Fall Protection Design. Mar, 2023 By Travis Nelson, P.E., CSP, and John Noriega, P.E. In Structural Connections. Fall from height represents one of the highest occupational hazards in general industry and at construction sites. Personal fall protection equipment is frequently used to abate this hazard as part of a fall arrest or
IEC (International Electrotechnical Commission) model [14] circuit, as illustrated in Fig. 6 with typical current waveform shown in Fig. 7, produces extremely short rise time, t r (≤1 ns), and very high current peaks, I peak (up to a few tens of Amps), due to its very low R and zero-L.IEC was initially developed as a system ESD model. However,
This paper proposes a structure-material integrated design method in the framework of level sets. A two-scale optimization is performed, where not only is the
The thermal insulation performance and load-bearing capacity of the integrated thermal protection structure are investigated and enhanced by sequential thermal–mechanical coupling method. For the corrugated-core sandwich structure, heat proofing effect of schemes altering the quantity of lightening holes along the vertical and
PDF | On Oct 12, 2012, Christophe Blondeau published A Bi-Level High Fidelity Aero-Structural integrated design methodology. A focus on the structural sizing process | Find, read and cite all the
Fig. 2 shows examples of radar charts used as part of a rational structural design to improve the comprehensive mechanical performance and multifunctional integration of traditional materials and structures. Fig. 2 (a) exhibits the relations between flexibility, rapid response, strength, toughness, and impact energy dissipation of
Current studies of the integrated thermal protection system (ITPS) are mainly focused on the metal corrugated core sandwich panels, resulting in low service temperature and high weight level. Here, by contrast, ITPS based on lightweight C/SiC composite sandwich panels with corrugated, pyramid as well modified pyramid cores are
For the purpose of performing both thermal protection and load-bearing functions, the integrated thermal protection system [ 1] was
The NATO STANAG 4569 classified four levels of protection from hand grenades up to 10 kg TNT. The level 1 protection can be obtained by using a single plate of armored structure. For the higher level, the single plate structure will be insufficient to maintain the integrity of the armored vehicle.
Distinguished from the existing approaches, we use two different sets of design variables in a uniform optimization loop, that is, the geometric parameters for the positions and orientations of the components, and the expansion coefficients of the level set interpolation for the supporting structure. In this way, the overall design variables
Li et al. concretely introduced development of IP watermarking and classified it into four categories at physical level, structural level, behavioral level and systematic level. (4) Hardware encryption. Roy et al. proposed an ending piracy of integrated circuits. A secret key is hidden into circuit.
Abstract — When city''s become more dense, the need for high rise. buildi ngs increases. However, implementation of high rise. buildings in a crow ded city is difficult on street level. Common
This tutorial paper reviews the state of knowledge of on-chip ESD (electrostatic discharging) protection circuit design for integrated circuits.The discussion covers critical issues in ESD protection design, i.e. ESD test models, ESD failure mechanisms, ESD protection structures, ESD device modeling, ESD simulation, ESD
Abstract. The purpose of modern structural design is to provide the structure with up-to-standard operational functions. Physical integrity serves as a prerequisite for a functional structure to withstand external interference. The physical integrity is provided by load-bearing components, which comprised of numerous specific
The Integrated Thermal Protection Systems and Heat Resistant Structure was a project funded within the Exploration Systems Research and Technology (ESR&T) section of the Space Exploration Initiative (SEI). It was performed by a team composed of Snecma Propulsion Solide, NASA, MT Aerospace, and Materials Research & Design (MR&D).
Abstract. This tutorial paper reviews the state of knowledge of on-chip ESD (electrostatic discharging) protection circuit design for integrated circuits. The discussion covers critical issues in ESD protection design, i.e. ESD test models, ESD failure mechanisms, ESD protection structures, ESD device modeling, ESD simulation, ESD
In this study, an innovative integrated thermal protection system (ITPS) concept that incorporates shaped-stabilized composite phase change material into corrugated core ITPS structure is proposed to strengthen the thermal protection
11. Summary. In summary, this review discusses the state of knowledge of on-chip ESD protection circuit design for ICs. The discussion covers critical issues in ESD design, such as, ESD test models, ESD failure mechanism, ESD protection structures, ESD device modeling, ESD simulation, ESD layout issues, and ESD-circuit interactions, etc.
With both thermal insulation and load-bearing capabilities, integrated thermal protection systems (ITPS) can effectively improve structural efficiency, and thus are promising TPS concepts for
An integrated thermal protection system for spacecraft reentry based on a corrugated core sandwich panel concept fulfilling both thermal and structural functions is optimized for minimal mass.
Focus on the design requirements of high-speed telescopic wing aircraft, and this paper researched a novel three-layer thermal-protect and load-bearing
The thermal protection system has gradually developed from a single-functional component to a multi-functional integration to enable the aircraft to obtain more payload and design space. Integrated thermal protection system (ITPS), which includes load-bearing and thermal protection functions, has received attention due to its high
Toexplore weight saving potential capability, a multidisciplinary optimization procedure based on simulated annealing algorithm was proposed to unveil the minimum