Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Method of Sections: Problem Solving I01:27

Method of Sections: Problem Solving I

1.6K
Consider a symmetrical roof truss structure, composed of vertical, diagonal, and horizontal members. The length of each horizontal member is 4 m. The lengths of the vertical members FB and HD are 4 m, while the length of member GC is 6 m. The loads acting at joints F, G, and H are 2 kN, while those at joints A and E are 1 kN.
1.6K
Internal Loadings in Structural Members: Problem Solving01:28

Internal Loadings in Structural Members: Problem Solving

1.7K
When designing or analyzing a structural member, it is important to consider the internal loadings developed within the member. These internal loadings include normal force, shear force, and bending moment. Engineers can ensure that the structural member can support the applied external forces by calculating these internal loadings.
To illustrate this, let's consider a beam OC of 5 kN, inclined at an angle of 53.13° with the horizontal and supported at both ends. Determine the internal...
1.7K
Method of Sections01:30

Method of Sections

1.8K
Consider a truss structure, as shown in the figure.
1.8K
Method of Sections: Problem Solving II01:30

Method of Sections: Problem Solving II

1.8K
Consider an arbitrary truss structure composed of diagonal, vertical, and horizontal members fixed to the wall. To calculate the force acting on members CB, GB, and GH, method of sections can be used. The loads and lengths of the horizontal and vertical members are known parameters, as shown in the figure.
1.8K
Shear on the Horizontal Face of a Beam Element01:16

Shear on the Horizontal Face of a Beam Element

670
To understand shear on the flat side of a prismatic beam element, consider the vertical and horizontal shearing forces, and the normal forces, acting on the element. The element's upper (U) and lower (L) sections, which are divided by the beam's neutral axis, are examined. The equilibrium of these forces is determined by applying the equilibrium equation, which helps identify the horizontal shearing force. This force is directly related to the bending moments and the cross-section's...
670
Unsymmetric Bending - Angle of Neutral Axis01:15

Unsymmetric Bending - Angle of Neutral Axis

1.0K
Unsymmetrical bending occurs when a structural member is subjected to bending moments in a plane that does not align with the member's principal axes. This scenario typically arises in beams and other structural components when loads are applied at non-ideal angles, introducing complexities in stress analysis.
When a bending moment is applied at an angle θ concerning the vertical axis of a symmetrical member, it can be resolved into components along the member's principal...
1.0K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Strategies for the Previously Operated Septum.

Facial plastic surgery clinics of North America·2026
Same author

Optical coherence tomography to identify upper airway obstruction sites in an apneic patient.

Biophotonics discovery·2026
Same author

Erratum: Publisher's Note: Optical coherence tomography to identify upper airway obstruction sites in an apneic patient.

Biophotonics discovery·2026
Same author

Features of Importance in the Nasal Exam in Rhinoplasty.

Facial plastic surgery & aesthetic medicine·2026
Same author

Consensus Statement on the Prevention and Management of Complications of Fully Ablative Laser Resurfacing of the Face.

Lasers in surgery and medicine·2025
Same author

The Association Between Publication Record and Career Path for Facial Plastic and Reconstructive Surgery Fellowship Applicants.

Laryngoscope investigative otolaryngology·2025

Related Experiment Video

Updated: Apr 25, 2026

Author Spotlight: Development of a Novel Finite Element Analysis Model for Improved Orthognathic Surgical Techniques
07:16

Author Spotlight: Development of a Novel Finite Element Analysis Model for Improved Orthognathic Surgical Techniques

Published on: October 20, 2023

2.0K

Rethinking nasal tip support: a finite element analysis.

David Shamouelian1, Ryan P Leary, Cyrus T Manuel

  • 1Department of Otolaryngology, University of California at Irvine, Irvine, California.

The Laryngoscope
|August 19, 2014
PubMed
Summary
This summary is machine-generated.

Disrupting nasal tip attachments significantly reduces nasal tip support. Finite element modeling shows that weakening connections between cartilages and the septum causes substantial loss of strain energy density, impacting structural integrity.

Keywords:
Nasal tip supportfinite element methodrhinoplasty

More Related Videos

A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth
10:50

A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth

Published on: April 8, 2020

9.1K
Building Finite Element Models to Investigate Zebrafish Jaw Biomechanics
14:11

Building Finite Element Models to Investigate Zebrafish Jaw Biomechanics

Published on: December 3, 2016

11.4K

Related Experiment Videos

Last Updated: Apr 25, 2026

Author Spotlight: Development of a Novel Finite Element Analysis Model for Improved Orthognathic Surgical Techniques
07:16

Author Spotlight: Development of a Novel Finite Element Analysis Model for Improved Orthognathic Surgical Techniques

Published on: October 20, 2023

2.0K
A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth
10:50

A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth

Published on: April 8, 2020

9.1K
Building Finite Element Models to Investigate Zebrafish Jaw Biomechanics
14:11

Building Finite Element Models to Investigate Zebrafish Jaw Biomechanics

Published on: December 3, 2016

11.4K

Area of Science:

  • Biomechanical Engineering
  • Anatomical Modeling
  • Rhinoplasty Research

Background:

  • Nasal tip support is crucial for aesthetic and functional outcomes.
  • Key tip support mechanisms include cartilage attachments and septal connections.
  • Understanding these mechanisms aids in surgical planning and revision.

Purpose of the Study:

  • To evaluate the contribution of upper/lower lateral cartilage attachments and medial crura-caudal septum attachments to nasal tip support.
  • To quantify the impact of disrupting these specific nasal tip support structures using a finite element model.

Main Methods:

  • A nasal tip finite element model (FEM) simulating bone, cartilage, and skin was developed.
  • Four models were created: control, disrupted scroll, disrupted medial crura attachments, and both disrupted.
  • Stress distribution and strain energy density (SED) were computed during simulated nasal tip compression.

Main Results:

  • High stress concentration was observed in the keystone, intermediate crura, caudal septum, and nasal spine.
  • Disruption of scroll attachments caused a 1% decrease in SED.
  • Disruption of medial crura-caudal septum attachments led to a 4.2% SED reduction.
  • Simultaneous disruption of both attachments resulted in a 9.1% SED reduction.

Conclusions:

  • The nasal tip FEM effectively models structural dynamics and support.
  • Disruption of scroll and nasal base attachments leads to a measurable loss of nasal tip support.
  • This study highlights the biomechanical importance of specific anatomical connections in maintaining nasal tip integrity.