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COMSOL Inc 2d numerical model comsol multiphysics
2d Numerical Model Comsol Multiphysics, supplied by COMSOL Inc, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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2d numerical model comsol multiphysics - by Bioz Stars, 2026-09
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Article Title: Numerical simulation of a continuous sonoreactor for cotton cellulose residues recovery
Article Snippet: First, there was a ramp for 120 s at a shear rate of 1 s −1 , followed by an increase in the shear rate to 500 s −1 in 10 steps over 10 min. COMSOL Multiphysics employed the values we measured ( ) for the numerical simulations.

Article Title: Dummy molecularly imprinted polymer nanochannel sensor for ultrasensitive detection of aniline compounds.
Article Snippet: Aniline pollutants can cause great harm to human health and the ecosystem, while rapid and selective quantification of aniline compounds in environment samples at trace levels is a highly complex target.. In this study, a novel, efficient nanochannel sensor based on dummy molecularly imprinted polymer (DMIP) was fabricated.. The sensor works on the principle of the ion current rectification across the asymmetric charged nanoporous capillary.

Article Title: Three-dimensional urchin-like K 2 Ti 8 O 17 / Ag NPs composite as a SERS substrate for detecting folic acid and thiram.
Article Snippet: The three-dimensional (3D) semiconductor/noble metal composite substrates for surface-enhanced Raman scattering (SERS) have garnered increasing interest due to their excellent optical and chemical properties, as well as the capacity to trigger both electromagnetic mechanism (EM) and chemical mechanism (CM) simultaneously.. In this work, a facile 3D urchin-like K2Ti8O17/Ag nanoparticles (Ag NPs) composite substrate is designed for multi-purpose SERS sensing.. K2Ti8O17, as a dielectric medium, improves the electric field environment around Ag NPs, which is consistent with finite-different time domain (FDTD) results, and enhances the SERS performance of the K2Ti8O17/Ag composite substrate.

Article Title: Cellulose-based bipolar heterogeneous membranes with two-dimensional lamellar composite three-dimensional network structure for osmotic energy conversion.
Article Snippet: Reverse electrodialysis (RED) technology is extremely promising in harvesting osmotic energy.. The exchange membranes, which are the core components of RED systems, especially in the investigation of composite membrane systems, remain a challenge by balancing the key requirements of better compatibility and sufficient stability, ease of fabrication, etc.. In view of the excellent compatibility and stability of forest biomass membrane materials, this work reports a two-dimensional (2D) lamellar regenerated cellulose (RC) composite with a threedimensional (3D) network of bacterial cellulose membrane doped with alkali lignin (BC-AL) heterogeneous membrane.

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Article Title: Long-Term Colloidal Stability of Cobalt Ferrite Nanoparticles in Magnetic Fluids: A Nine-Year Study
Article Snippet: • Synthesis of magnetic fluids based on highly dispersible CoFe2O4 coated with oleic acid.. • Rheology and viscosity measurements of the magnetic fluids showed Newtonian

Article Title: Metal-Support Interaction and Tip-Enhanced Electric Field Effect Co-Enhancing Oxygen Species Adsorption/Enrichment for Efficient Electrooxidation of Plastic Waste Derived Alcohol into Glycolic Acid
Article Snippet: The limited catalytic activity and weaker stability caused by the restricted adsorption capacity of reactive oxygen species (*OH) have hindered the further development of electrocatalytic upgrading polyethylene terephthalate (PET) waste into valuable C2 chemicals, which is crucial in addressing the plastic pollution issue.. Herein, Pd@Ni (OH)2-NiO catalyst was synthesized based on the concepts of metal-support interaction and tip-enhanced electric field effect, demonstrating remarkable activity (0.60 V vs. RHE, 300 mA cm 2) and stability (250 h) for electrocatalytic upgrading PET plastic waste into glycolic acid.. A significant charge transfer occurs between metal Pd and supports Ni(OH)2-NiO due to the metal-support interaction, generating the electron-deficient Pdδ+ sites.

Article Title: Electropolishing of nonplanar surface of a Zr-based bulk metallic glass in NaCl-ethylene glycol electrolyte through a planar cathode
Article Snippet: Bulk metallic glasses (BMGs) have been widely used in precise manufacturing industry, and their surface quality is one of the key properties for practical applications.. Electropolishing (EP) is an effective technique to improve surface roughness for metal materials with good precision and no tool wear.. In this work, the feasibility of electropolishing nonplanar surfaces with planar electrode is verified by multi-physics simulation.



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(a): Simulated using the finite-difference time-domain (FDTD) method, this plot shows the normalized electric field intensity along the z-direction for multiple values of graphene chemical potential (µc = 0 to 1 eV). The simulation domain includes the air region above the structure, which allows visualization of both external and internal field behavior. At µc = 0.0 eV, where the structure is optimized for maximum absorption, the electric field in the air remains nearly constant, exhibiting an almost flat profile. This behavior indicates excellent impedance matching at the air-absorber interface, with negligible reflection—a hallmark of perfect absorption. As µc increases, the field confinement inside the multilayer weakens, confirming the switchable nature of the absorber.(b): Simulated using COMSOL <t>Multiphysics,</t> this panel shows the spatial distribution of the electric field inside the structure for two states: µc = 0 eV, with strong field localization, and µc = 1 eV, where the internal field intensity is significantly reduced. This independently confirms the tunable suppression of absorption and the modulation of plasmonic resonances in the multilayer stack.
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(a): Simulated using the finite-difference time-domain (FDTD) method, this plot shows the normalized electric field intensity along the z-direction for multiple values of graphene chemical potential (µc = 0 to 1 eV). The simulation domain includes the air region above the structure, which allows visualization of both external and internal field behavior. At µc = 0.0 eV, where the structure is optimized for maximum absorption, the electric field in the air remains nearly constant, exhibiting an almost flat profile. This behavior indicates excellent impedance matching at the air-absorber interface, with negligible reflection—a hallmark of perfect absorption. As µc increases, the field confinement inside the multilayer weakens, confirming the switchable nature of the absorber.(b): Simulated using COMSOL <t>Multiphysics,</t> this panel shows the spatial distribution of the electric field inside the structure for two states: µc = 0 eV, with strong field localization, and µc = 1 eV, where the internal field intensity is significantly reduced. This independently confirms the tunable suppression of absorption and the modulation of plasmonic resonances in the multilayer stack.
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(a): Simulated using the finite-difference time-domain (FDTD) method, this plot shows the normalized electric field intensity along the z-direction for multiple values of graphene chemical potential (µc = 0 to 1 eV). The simulation domain includes the air region above the structure, which allows visualization of both external and internal field behavior. At µc = 0.0 eV, where the structure is optimized for maximum absorption, the electric field in the air remains nearly constant, exhibiting an almost flat profile. This behavior indicates excellent impedance matching at the air-absorber interface, with negligible reflection—a hallmark of perfect absorption. As µc increases, the field confinement inside the multilayer weakens, confirming the switchable nature of the absorber.(b): Simulated using COMSOL <t>Multiphysics,</t> this panel shows the spatial distribution of the electric field inside the structure for two states: µc = 0 eV, with strong field localization, and µc = 1 eV, where the internal field intensity is significantly reduced. This independently confirms the tunable suppression of absorption and the modulation of plasmonic resonances in the multilayer stack.
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(a): Simulated using the finite-difference time-domain (FDTD) method, this plot shows the normalized electric field intensity along the z-direction for multiple values of graphene chemical potential (µc = 0 to 1 eV). The simulation domain includes the air region above the structure, which allows visualization of both external and internal field behavior. At µc = 0.0 eV, where the structure is optimized for maximum absorption, the electric field in the air remains nearly constant, exhibiting an almost flat profile. This behavior indicates excellent impedance matching at the air-absorber interface, with negligible reflection—a hallmark of perfect absorption. As µc increases, the field confinement inside the multilayer weakens, confirming the switchable nature of the absorber.(b): Simulated using COMSOL <t>Multiphysics,</t> this panel shows the spatial distribution of the electric field inside the structure for two states: µc = 0 eV, with strong field localization, and µc = 1 eV, where the internal field intensity is significantly reduced. This independently confirms the tunable suppression of absorption and the modulation of plasmonic resonances in the multilayer stack.
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(a): Simulated using the finite-difference time-domain (FDTD) method, this plot shows the normalized electric field intensity along the z-direction for multiple values of graphene chemical potential (µc = 0 to 1 eV). The simulation domain includes the air region above the structure, which allows visualization of both external and internal field behavior. At µc = 0.0 eV, where the structure is optimized for maximum absorption, the electric field in the air remains nearly constant, exhibiting an almost flat profile. This behavior indicates excellent impedance matching at the air-absorber interface, with negligible reflection—a hallmark of perfect absorption. As µc increases, the field confinement inside the multilayer weakens, confirming the switchable nature of the absorber.(b): Simulated using COMSOL <t>Multiphysics,</t> this panel shows the spatial distribution of the electric field inside the structure for two states: µc = 0 eV, with strong field localization, and µc = 1 eV, where the internal field intensity is significantly reduced. This independently confirms the tunable suppression of absorption and the modulation of plasmonic resonances in the multilayer stack.
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(a): Simulated using the finite-difference time-domain (FDTD) method, this plot shows the normalized electric field intensity along the z-direction for multiple values of graphene chemical potential (µc = 0 to 1 eV). The simulation domain includes the air region above the structure, which allows visualization of both external and internal field behavior. At µc = 0.0 eV, where the structure is optimized for maximum absorption, the electric field in the air remains nearly constant, exhibiting an almost flat profile. This behavior indicates excellent impedance matching at the air-absorber interface, with negligible reflection—a hallmark of perfect absorption. As µc increases, the field confinement inside the multilayer weakens, confirming the switchable nature of the absorber.(b): Simulated using COMSOL <t>Multiphysics,</t> this panel shows the spatial distribution of the electric field inside the structure for two states: µc = 0 eV, with strong field localization, and µc = 1 eV, where the internal field intensity is significantly reduced. This independently confirms the tunable suppression of absorption and the modulation of plasmonic resonances in the multilayer stack.
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(a): Simulated using the finite-difference time-domain (FDTD) method, this plot shows the normalized electric field intensity along the z-direction for multiple values of graphene chemical potential (µc = 0 to 1 eV). The simulation domain includes the air region above the structure, which allows visualization of both external and internal field behavior. At µc = 0.0 eV, where the structure is optimized for maximum absorption, the electric field in the air remains nearly constant, exhibiting an almost flat profile. This behavior indicates excellent impedance matching at the air-absorber interface, with negligible reflection—a hallmark of perfect absorption. As µc increases, the field confinement inside the multilayer weakens, confirming the switchable nature of the absorber.(b): Simulated using COMSOL <t>Multiphysics,</t> this panel shows the spatial distribution of the electric field inside the structure for two states: µc = 0 eV, with strong field localization, and µc = 1 eV, where the internal field intensity is significantly reduced. This independently confirms the tunable suppression of absorption and the modulation of plasmonic resonances in the multilayer stack.
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COMSOL Inc 2d simulation box built within comsol multiphysics
(a): Simulated using the finite-difference time-domain (FDTD) method, this plot shows the normalized electric field intensity along the z-direction for multiple values of graphene chemical potential (µc = 0 to 1 eV). The simulation domain includes the air region above the structure, which allows visualization of both external and internal field behavior. At µc = 0.0 eV, where the structure is optimized for maximum absorption, the electric field in the air remains nearly constant, exhibiting an almost flat profile. This behavior indicates excellent impedance matching at the air-absorber interface, with negligible reflection—a hallmark of perfect absorption. As µc increases, the field confinement inside the multilayer weakens, confirming the switchable nature of the absorber.(b): Simulated using COMSOL <t>Multiphysics,</t> this panel shows the spatial distribution of the electric field inside the structure for two states: µc = 0 eV, with strong field localization, and µc = 1 eV, where the internal field intensity is significantly reduced. This independently confirms the tunable suppression of absorption and the modulation of plasmonic resonances in the multilayer stack.
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(a): Simulated using the finite-difference time-domain (FDTD) method, this plot shows the normalized electric field intensity along the z-direction for multiple values of graphene chemical potential (µc = 0 to 1 eV). The simulation domain includes the air region above the structure, which allows visualization of both external and internal field behavior. At µc = 0.0 eV, where the structure is optimized for maximum absorption, the electric field in the air remains nearly constant, exhibiting an almost flat profile. This behavior indicates excellent impedance matching at the air-absorber interface, with negligible reflection—a hallmark of perfect absorption. As µc increases, the field confinement inside the multilayer weakens, confirming the switchable nature of the absorber.(b): Simulated using COMSOL Multiphysics, this panel shows the spatial distribution of the electric field inside the structure for two states: µc = 0 eV, with strong field localization, and µc = 1 eV, where the internal field intensity is significantly reduced. This independently confirms the tunable suppression of absorption and the modulation of plasmonic resonances in the multilayer stack.

Journal: Scientific Reports

Article Title: Inverse designed aperiodic multilayer perfect absorbers for mid infrared enable tunability switchability and angular robustness

doi: 10.1038/s41598-025-99995-6

Figure Lengend Snippet: (a): Simulated using the finite-difference time-domain (FDTD) method, this plot shows the normalized electric field intensity along the z-direction for multiple values of graphene chemical potential (µc = 0 to 1 eV). The simulation domain includes the air region above the structure, which allows visualization of both external and internal field behavior. At µc = 0.0 eV, where the structure is optimized for maximum absorption, the electric field in the air remains nearly constant, exhibiting an almost flat profile. This behavior indicates excellent impedance matching at the air-absorber interface, with negligible reflection—a hallmark of perfect absorption. As µc increases, the field confinement inside the multilayer weakens, confirming the switchable nature of the absorber.(b): Simulated using COMSOL Multiphysics, this panel shows the spatial distribution of the electric field inside the structure for two states: µc = 0 eV, with strong field localization, and µc = 1 eV, where the internal field intensity is significantly reduced. This independently confirms the tunable suppression of absorption and the modulation of plasmonic resonances in the multilayer stack.

Article Snippet: To further validate these findings, Fig. (b) presents 2D electric field maps simulated using COMSOL Multiphysics for two representative chemical potentials: μc = 0 eV (top) and μc = 1 eV (bottom).

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