Search
82 articles for “complex geometry”
-
A Review on Pressure Die Casting Technology and Recent Developments in Die Design
Abstract: A high production rate and cost effective method primarily used in the production of non-ferrous castings is the Pressure Die Casting (PDC) technology. It is widely used in the manufacturing of automobile components of complex geometry and intricate forms and shapes that may be difficult to produce by the other conventional casting processes. This paper gives an insight into the types of pressure die casting techniques. It also describes the …
Published in Trends in Mechanical Engineering & Technology · Vol. 8, Issue 2, 2018 · pp. 85–99 Read article
-
Parametric Effect on the Mechanical Property of Extrusion-Based 3D-Printed Parts
Abstract: Material extrusion-based 3D printing, a prevalent and economical approach for producing complex geometries, heavily relies on acrylonitrile butadiene styrene due to its advantageous mechanical properties and dimensional stability. Nevertheless, the mechanical integrity of 3D-printed components is considerably impacted by process variables. This research investigates the implications of critical parameters – layer height (LH), infill percentage (IP), and infill pattern design (IPD) – on the tensile, compressive, and flexural strength of …
Published in Journal of Polymer & Composites · Vol. 14, Issue 5, 2026 · pp. 160–170 Read article
-
Study on Crankshaft Failure: A Review
Abstract: Crankshafts are power shafts of engines with a complex geometry having crankwebs and crankpins. Crankshafts axis is offset from the centre. It converts the linear (reciprocating) motion of pistons into a rotary motion that can be transmitted through a drive line system. A crankshaft is subjected to several forces that vary in magnitude and direction (multiaxial loading). Bending stress and shear stress due to twisting are also common stresses acting …
Published in Trends in Machine design · Vol. 3, Issue 1, 2016 · pp. 68–74 Read article
-
A Report on Numerical Investigation of Wings: with and without Telescopic Wing
Abstract: The telescopic wing has generated lots of interest in telescopic wing weight, geometry, complexity, structure, retractable/extendable mechanisms and aerodynamic performance etc. The problem is to develop telescopic wing for Piper PA-28 Cherokee is a one of the light aircraft built by Piper aircraft and designed for flight training, air taxi, and personal use. The key design parameters for the telescopic wing aircraft as mentioned are lift force generated (lift coefficient) …
Published in Journal of Aerospace Engineering & Technology · Vol. 6, Issue 3, 2016 · pp. 16–23 Read article
-
Synthesis, Characterization and Biological Activity: Co(II), Ni(II), Cu(II) and Zn(II) Complexes of Schiff Bases Derived from 4-Cyanobenzaldehye and 4-Amino-5-Mercapto-3-Methyl/Ethyl-1,2,4-triazoles
Abstract: Co(II), Ni(II), Cu(II) and Zn(II) complexes of bidentate Schiff bases derived from the condensation of 4-amino-5-mercapto-3-methyl-1,2,4-triazole and 4-amino-3-ethyl-5-mercapto-1,2,4-triazole with 4-cyanobenzaldehyde have been synthesized. The synthesized Schiff bases and their metal complexes were then characterized by elemental analysis, spectroscopic methods (IR, NMR, electronic spectra), magnetic moment measurement and thermogravimetric techniques. The electronic spectra and magnetic moment studies suggest octahedral geometry for Co(II), Ni(II) and Zn(II) complexes and square planar geometry for …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 5, Issue 2, 2014 · pp. 27–36 Read article
-
Sensitivity of Shape Factor Impacts in Water Works Infrastructure Failure
Abstract: Simple geometry used in water software and hydride sign works was failed here. Comprehensive real data with complex irregular geometries were incorporated provided for wider application and feasible solutions. A realistic and more practical approach was tested, found reliable and compatible with water engineering principles considered for calculation of volumetric water rates by three types of Ogee shapes. Results indicated proximity between numerical and experimental data accurately predicted based on …
Published in Journal of Water Resource Engineering and Management · Vol. 4, Issue 1, 2017 · pp. 25–34 Read article
-
Synthesis, Structural Characterization and Biological Studies of Schiff Base Complexes Bearing Indole Moiety
Abstract: Schiff base complexes of N2O2 type derived from indole-3-carboxaldehyde(ind) and amino acids such as glycine(gly), L-valine(val), and L-tryptophan(try) with Cu(II), Ni(II), Zn(II), Co(II) and Mn(II) were synthesized and characterized by physical and analytical techniques. The complexes are of non-electrolytic nature having 1:2 (metal:ligand) ratio. The geometry of the complexes was predicted with the combined data obtained from electronic spectral and magnetic susceptibility measurements. The mode of coordination of the Schiff …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 4, Issue 1, 2013 · pp. 31–42 Read article
-
Synthesis and Spectroscopic Studies of 12-Membered Macrocyclic Transition Metal Complexes with Tetradentate Ligand
Abstract: Tetra-aza macrocyclic transition metals complexes of type: [M(C12H4N8)X2]; where, M = Co (II), Ni(II), Cu(II), Zn(II); X= Cl-1 , NO3 - , CH3COOhave been synthesized and characterized. On the basis of conductance data; elemental analyses, the character of the complexes have been suggest and it was found that all the complexes have 1:2:2 stoichiometry and are nonelectrolytic in nature. Tentative geometry of the new synthesized macrocyclic complexes had been proposed …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 7, Issue 2, 2016 · pp. 9–19 Read article
-
Optimization of FDM 3D Printer Process Parameters For PETG Material Using TOPSIS Technique
Abstract: 3D printing is a quickly evolving process that builds the desired shape by layering on material. In the era of modern production, additive manufacturing has grown in significance due to its user-friendliness. By using this technique, one can produce complex & intricate geometries with much ease when compared to conventional manufacturing. With the increased demand for 3D printing, consideration towards strength quality and other mechanical properties is also increasing progressively. …
Published in Journal of Polymer & Composites · Vol. 13, Issue 1, 2025 · pp. 601–609 Read article
-
ASSESSING RISKS OF FIRE ITS CONSEQUENCE MODELLING AND DETECTION SYSTEMS FOR OFFSHORE INDUSTRIES
Abstract: Offshore industries are well recognized all over the world for its complex conditions, geometry, robustness, and rigidness. A small mistake can immediately escalate to catastrophe, of all the accidents reported till date fire is the most frequently reported one. Major accidents like the Deepwater Horizon, piper alpha has taught entire crude industry a lesson on how important it is to prevent fire occurrence. therefore, it is necessary to study fire …
Published in Journal of Petroleum Engineering & Technology · Vol. 8, Issue 1, 2018 · pp. 11–16 Read article
-
Numerical Investigation of the Osmatic Flow Impact on the Load Recovery and Early Well Performance
Abstract: The complexity of shale system coupled with the mystery of low fracturing fluid recovery has puzzled many researchers. Field reports from hydraulic fracturing operations performed on shale formation have highlighted the low recovery of the fracturing fluid. The fate of the hydraulic fracturing fluid is still controversial issue. However, literature has attributed the low load recovery to either trapping into the natural or created micro-fracture or imbibition to the matrix. …
Published in Journal of Petroleum Engineering & Technology · Vol. 5, Issue 3, 2015 · pp. 52–64 Read article
-
Synthesis, Structural Studies and Catalytic activity of Copper(II) Complex Supported by N, N′-bis (2-Hydroxy-3-Methoxybenzaldehyde) 4-Methylbenzene-1, 2-Diamine
Abstract: A novel robust method for synthesis of 3-MOBdMBn-Cu complex, supported by -ONNO-tetradentate Schiff-base ligand is presented. This copper complex is prepared by the reactions of metal solution with one molar equivalent of 3-MOBdMBn (N, N’-bis (2-hydroxy-3-methoxybenzaldehyde) 4-Methylbenzene-1, 2-diamine) Schiff-base ligand in methanol under nitrogen atmosphere. In contrast to other catalysts, the main advantage of this catalyst system was that the cost of the catalyst was remarkably low and it can …
Published in Journal of Catalyst & Catalysis · Vol. 1, Issue 1, 2014 · pp. 53–60 Read article
-
Effect of Carbonyl Iron Particle Concentration on The Printability and Stiffness of Magnetorheological Elastomer Filaments
Abstract: Magnetorheological elastomer (MRE) are increasingly valued for their field-responsive mechanical properties, making them ideal for adaptive components in automotive, aerospace, and vibration control systems. However, conventional mould-based fabrication methods limit design flexibility, produce excess material waste, and are unsuitable for complex or customized geometries caused challenges that have hindered broader industrial adoption. Although 3D printing offers a compelling alternative, research on printable MRE filaments remains limited, particularly regarding how carbonyl …
Published in Journal of Polymer & Composites · Vol. 13, Issue 5, 2025 · pp. 310–317 Read article
-
Reverse Engineering and CFD Analysis of Carburetor
Abstract: AbstractA carburetor is a mechanical device that provides necessary support to the superstructure of an internal combustion engine. The function of the carburetor is to mixes the air and fuel for internal combustion engine. A carburetor is used in the two wheeler vehicle. The development of carburetor through conventional manufacturing got many challenges to complexity in design geometry and high competitions in industry due to cost management. Hence a study …
Published in Recent Trends in Fluid Mechanics · Vol. 5, Issue 3, 2018 · pp. 22–32 Read article
-
Forced Convection Heat Transfer Through Porous Media: A Review
Abstract: This paper reviews studies on forced convection heat transfer through Porous media. In the last four decades we have seen enormous amount of research work related to the study of heat transfer in porous media. Convective flows in porous media are of vital importance to these processes, thereby generating the need for their full understanding. This review paper includes the effects of pore to throat size ratio, Non-Darcy and dispersion …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 22–27 Read article
-
A Novel Mathematical Exploration of Fractal Dynamics in Hyperbolic Spaces
Abstract: This research paper presents an original study on the behavior, generation, and properties of fractal structures within hyperbolic geometry. Unlike classical Euclidean fractals, hyperbolic fractals demonstrate accelerated boundary complexity and distinct scaling symmetries due to the curvature of the underlying space. The paper proposes new iterative models, analyzes geometric invariants, and explores potential applications in data visualization, network science, and theoretical physics. This research paper conducts an in-depth investigation into …
Published in Recent Trends in Mathematics · Vol. 3, Issue 1, 2026 · pp. 1–7 Read article
-
Spectral, thermal, electrochemical and biological studies of Co(II), Ni(II), Cu(II) and Zn(II) complexes derived from 4-(3-bromo-4-hydroxy-5-methoxybenzylideneamino)-3-mercapto-6-methyl-5-oxo-1,2,4-triazine.
Abstract: The Schiff base4-(3-bromo-4-hydroxy-5-methoxybenzylideneamino)-3-mercapto-6-methyl-5-oxo-1,2,4-triazine and its Co(II), Ni(II), Cu(II) and Zn(II) complexes have been synthesized and characterized by IR, NMR, electronic, ESR, fluorescence, thermal, magnetic moment and electrochemical studies. IR and thermal data support the presence of coordinated water in the metal complexes. The electronic spectral and magnetic moment measurements indicate octahedral geometry for Co(II), Ni(II) and Zn(II) complexes and square planar for Cu(II) complexes. Biological studies of the ligand and …
Published in Journal of Modern Chemistry & Chemical Technology · Vol. 5, Issue 1, 2014 · pp. 6–16 Read article
-
Grid based docking study of some 2-(4-methylsulfonyl phenyl) pyrimidine derivatives (designed after QSAR studies) with Cyclooxygenase
Abstract: Molecular docking helps in studying drug/ligand or receptor/ protein interactions by identifying the suitable active sites in protein, obtaining the best geometry of ligand-receptor complex and calculating the energy of interaction for different ligands to design more effective ligands. In Grid based docking, after unique conformers of the ligand are generated, the receptor cavity of interest is chosen and a grid is generated around the cavity. Cavity points are found …
Published in International Journal of Antibiotics · Vol. 1, Issue 1, 2024 · pp. 23–41 Read article
-
Finite Element Modelling of Contact Stresses in Helical Gear Systems
Abstract: Helical gears are widely used in modern power‐transmission systems because of their high load‐carrying capacity, smooth meshing action, and increased overlapping of gear teeth. However, the design of helical gear pairs is constrained by contact stresses generated at the mating tooth surfaces, which can lead to surface fatigue (pitting), micro-cracking, and ultimately gear failure. Traditional analytical methods, such as those of the American Gear Manufacturers Association (AGMA) or International Organization …
Published in Trends in Machine design · Vol. 12, Issue 3, 2025 · pp. 35–39 Read article
-
Optimization of Process Parameter in 3D Printing to Minimize Wear Loss and increase Tensile Strength
Abstract: Additive Manufacturing (AM) and especially Fused Deposition Modeling (FDM) has emerged as a very versatile process of manufacturing polymer components with complex and highly-integrated geometries. Polylactic Acid (PLA) is a favorite of the many thermoplastic FDM materials because of its biodegradability, easy processing and predictable mechanical properties. The study aimed at maximizing critical parameters in FDM process in order to reduce wear loss and also increase tensile strength of PLA …
Published in Journal of Polymer & Composites · Vol. 14, Issue 3, 2026 · pp. 849–858 Read article