SMART MATERTECH
  • HOME
  • SHAPE MEMORY MATERIALS/TECHNOLOGY
    • Shape memory alloys >
      • Shape memory alloy actuators
      • Grains and deformation
      • SMA suppliers
    • Shape memory polymers >
      • Thermo-responsive >
        • Heating-responsive >
          • Thermo-plastic elastic SMP >
            • Body/room temperature programmable
          • Thermoset elastic SMP >
            • Body/room temperature programmable
          • Tailoring Tg of polymers via alloying
          • Vitrimer
          • 3D printing filaments
          • Show time
          • Body-temperature programmable elastic shape memory materials: a brief history
        • Cooling-responsive >
          • Cooling-responsive shape memory materials: a brief history
      • Chemo-responsive >
        • Electrospinning: fundametals
        • Natural biopolymers
        • Water-responsive SME: a brief history
      • Hydrogel
      • Simulation of SMP
    • Shape memory hybrids >
      • Electro-activated shape memory hybrid
      • SMHs: tailorable properties
      • Shape memory hybrids: a brief history
    • Triple/multiple SME
    • Reversible/shape change effect
    • Programming conditions
    • Temperature memory effect in DSC
    • Buckling 失稳
    • Constrained recovery of 2way EVA
    • Shape memory structures
    • Shape memory composites
    • Intro. & Refs. >
      • SME in commercial polymers
      • SMM introduction videos
      • PMMA (acrylic)
  • DIY
    • Laser engraving and beyond
    • DIY (step-by-step) to protect power charge cable 自制充电线接头保护层
    • DIY SMP screw 自制形状记忆螺丝
    • DIY shape memory foam 自制形状记忆海绵
    • DIY shape memory shoes 自制形状记忆鞋
    • Modifying superelastic Nitinol 超弹镍钛记忆合金改性
    • Goggles
    • Temple Tip Retainers /眼镜防滑钩
    • Nose pads
    • 硅胶+TPU样品制作 搅拌流程
    • Unlock smart phones
  • PROJECTS
    • Biomedical applications 生物医疗应用 >
      • Self-tightening band aid 自收缩创可贴
      • Self-tightening staple 自收缩手术钉
      • Shape memory plug 形状记忆栓塞
      • Artificial blood vessels
      • Comfort fitting 舒适贴合 >
        • Shape memory shoes 形状记忆鞋
        • Wrist rings/rings
        • Mask口罩 >
          • DIY口罩扣松紧器
          • Mask holder 口罩支架
          • Improved fitting
          • Comfort fitting "invisible" mask 舒适贴合“隐形”口罩 >
            • Animation (mask)
        • Facial mask (面膜)
      • Retractable 可收回
      • Wrinkle removal 除皱
    • SMA devices 形状记忆合金器件 >
      • Buttons-on-demand 按需按钮
      • Sunlight activated heat engine 阳光驱动的热机
      • Adjustable high heel 可调高跟鞋
      • SMA inchworm 形状记忆合金驱动的竹节虫
      • Rolling car 滚动车
      • SMA springs
      • Gripper
    • SMP applications >
      • 4D latte art 4D 拉花 >
        • Spinning 4D latte art
      • Re-writable Braille paper 可复写盲文纸
      • Surface patterning
      • 2D to 3D switching
      • Ear impression/plugs
    • Metals/polymers >
      • Smart manufacturing
      • Powerless cooling
      • Self-healing
      • Sensors 传感器 >
        • Temperature sensors 温度标签
        • Anti-counterfeit labels 防伪标签
      • Vertical gardening 垂直绿化 >
        • 盆景 >
          • In Singapore
        • Products 产品 >
          • Event sponsorship
        • Projects 项目 >
          • A project in Guangzhou (2022)
          • 2nd Project in Guangzhou
          • 3rd Project in Singapore
        • Water on-demand irrigation system
        • Vertical greening panel (2nd type)
        • 2nd type of foam
      • Wearable electronics 可穿戴电子设备
      • Controlled folding/unfolding 可控展开/折叠 >
        • Folding (multiple layered)
        • Reshape & reprogram
      • Active disassembly 自拆卸
      • Morphing wing 变翼
      • Magnetic circuit design
    • Solid state UV cross-linking >
      • Solid-state heating cross-linking
    • Additive manufacturing增材制造 >
      • 3D/4D printing 打印
      • Rapid 3D printing in solid state 快速固态3D打印 >
        • Rapid volumetric additive manufacturing in solid-state: hydrogels
        • UV cross-linkable vitrimer 2022
        • UV cross-linking of solid material
        • UV cross-linking machine
        • Solid-state VAM (3D)
        • SVAM: A brief history
        • Review of Solid state VAM by AI
      • New ways of additive manufacturing (animation)
      • UV-FDM printer
      • Cooling-responsive shape memory hydrogel via FDM
      • 3D fashion >
        • Formation of 3D structures
    • Shape capture
    • Surface capture >
      • Surface pattern for structural coloring
  • Store room
    • References/tools >
      • 3D models >
        • More STL models
        • 生肖
        • 3D printing service
      • Sample dimensions for tensile test
      • Temperature calibration
      • Toolbox工具箱
      • Toolbox II (工具箱 II)
    • Jungle >
      • About polymers >
        • Thermally reversible solid-liquid transition
        • Cyclic loading
        • Mullins effect
        • Photoelsticity 光弹
        • Shear-thickening 剪切增强 >
          • 4 CNA
        • Closed to open cell foams
        • Laser induced graphene
        • Electrospinning
        • Nano imprinting
        • Gel 凝胶 >
          • Instability in wetting of hydrogel
          • Electroactive gel电活性凝胶
        • Cellulose 纤维素
        • Plastic bottle 塑料瓶
        • Polymer recycling
        • Rapid swelling 快速溶胀
        • Rapid hardening in water
        • Patterns
        • Brittle-ductile transition
        • Tan delta >
          • Re-programmable Tan delta
        • UV cross-linking
        • Hardening speed
      • Coloring 变色 >
        • Structural coloring atop curved surfaces
        • Thermochromic 热致变色
        • Photochromic 光致变色
        • Stress induced color change力致变色 >
          • Patterned coloring via stretching 拉出色彩
      • Moire interference 莫尔干涉
      • Lenticular lens
      • Transformation front
      • Contact angle vs surface pattern
      • Laser: applications
      • Insects 昆虫
      • Structural engineer >
        • Static and Dynamic Balancing
        • Introduction videos
        • Bistable structures: a case study >
          • 3D printing of bistable structures
          • Step-wise morphing
        • Yield criterion >
          • Normalized yield surface via GPU
          • Yield surface of SMAs and beyond
        • Buckling of embedded threads
        • Buckling of embedded strip
        • Buckling of strip atop soft substrate
        • Foam structures for packaging
      • Interesting >
        • Exhibition
        • Ideas
      • Experimental >
        • Tensile test
        • Differential Scanning Calorimetry (DSC) Procedure
        • Dynamic Mechanical Analysis (DMA) Procedure
        • Shape Memory Performance Characterization Procedure for Shape Memory Polymers
      • ChatGPT 4 fun
      • 智谱测试
  • Contact
    • SMM course
    • Representative publications
    • Projects of undergraduate students
    • List of videos
    • Special issues| Conferences
    • Companies
    • References

How to simulate SMP?

Ansys: True scale
​(Intern) NIKHIL R
1-D w/wo expansion/contraction
​in transverse direction
​(Intern) NIKHIL R

Via commercial FEM software

Room temp programming wo heating

(MSc) Li XS

ANSYS simulation of room temp programmed SMP recovered upon heating

(MSc) Wang ZS

- 2D to 3D

(Intern) NIKHIL R
Picture
​Ansys simulation: 2D to 3D (3D view of resulted structure)
Yang WL (P-FYP)
Picture
(Intern) Meghna Pisupati
5% swelling ratio
Room Temp. bending, heating for recovery
[expansion/shrinkage model]
Simulation of water droplet placed atop dry hydrogel
Meghna Pisupati (intern)
Picture

- Shrinkage in electro-spinning

Picture
(Intern) ​DURAI AADITHIYA
Picture
Contour of shrinkage in axial direction as a function of shell thickness and pre-strain in shell. 
Ref. 
​Stimulus-Responsive Shrinkage in Electrospun Membranes: Fundamentals and Control. Micromachines 2021, 12, 920.
More about chemo-responsive SME
Picture
(Intern) ​Swarnendu Das
Influence of modulus ratio and thickness ratio
(Intern) Saket Sharma
Softening model

​Simulation of SME 

​(room temperature programming using softening model)

- Indentation-polishing-recovery for surface patterning

​(Intern) Ayush Prasad
Picture
​​Shape control in surface patterning atop shape memory polymers via indentation, polishing and shape recovery
Surface Review and Letters 2022
​https://doi.org/10.1142/S0218625X22500913
More about surface patterning
https://smartmatertech.weebly.com/surface-patterning.html

Element-based modelling 


Chapter 4 in ​Shape memory technology : working mechanisms, modeling and surface patterning application
​
DOI: 10.32657/10356/53505

Deepseek


​开发了一种模拟热和水驱动的形状记忆聚合物的方法,包括溶胀。如何整合成为ANSYS的插件?

要将模拟热和水驱动的形状记忆聚合物(包括溶胀)的方法整合为ANSYS插件,可以按照以下步骤进行:
1. 确定模型和方程首先,明确形状记忆聚合物在热和水驱动下的数学模型,包括控制溶胀、热响应和形状记忆行为的方程。
2. 选择ANSYS扩展工具ANSYS支持通过以下工具进行扩展:
  • User-Defined Functions (UDFs):适用于ANSYS Fluent。
  • User Programmable Features (UPFs):适用于ANSYS Mechanical。
  • ANSYS ACT (Application Customization Toolkit):用于创建自定义界面和工作流程。
3. 编写自定义代码根据模型,编写相应的代码:
  • UDFs:使用C语言编写,编译后加载到Fluent中。
  • UPFs:使用Fortran或C编写,编译后集成到Mechanical中。
  • ANSYS ACT:使用Python编写,创建自定义界面和工作流程。
4. 编译和集成
  • UDFs:在Fluent中编译并加载。
  • UPFs:编译后放入ANSYS目录并修改配置文件。
  • ANSYS ACT:通过ACT界面加载XML和Python文件。
5. 验证和测试在ANSYS中运行插件,验证其准确性,确保模拟结果符合预期。
6. 文档和支持编写详细文档,说明插件的安装、使用和参数设置,并提供必要的技术支持。
示例代码(ANSYS ACT)python
Copy
import Ansys.Act.Extension as Extension import Ansys.Act.Materials as Materials class ShapeMemoryPolymerExtension(Extension.Extension): def __init__(self): super().__init__() def Initialize(self): self.AddMaterialModel("Shape Memory Polymer", self.CreateShapeMemoryPolymerModel) def CreateShapeMemoryPolymerModel(self): model = Materials.MaterialModel() model.AddProperty("Swelling Ratio", "Double", 1.0) model.AddProperty("Thermal Response", "Double", 0.0) return model Extension.RegisterExtension(ShapeMemoryPolymerExtension())总结通过以上步骤,你可以将形状记忆聚合物的模拟方法整合为ANSYS插件。选择合适的工具并编写代码是关键,确保验证和文档的完整性有助于插件的成功应用。
如何把上述插件做成付费的APP?
​

要将上述ANSYS插件做成付费应用(APP),需经过以下步骤:
1. 确定商业模式
  • 定价策略:决定插件的定价方式(一次性购买、订阅制或按使用量收费)。
  • 目标用户:明确插件的目标用户群体(如工程师、科研人员等)。
  • 许可证管理:设计许可证系统,确保只有付费用户能使用插件。
2. 开发插件
  • 完善功能:确保插件功能完整且稳定,满足用户需求。
  • 用户界面:设计直观易用的界面,提升用户体验。
  • 许可证集成:集成许可证验证系统(如加密许可证密钥或在线验证)。
3. 选择发布平台
  • ANSYS App Store:如果ANSYS有官方应用商店,优先考虑发布。
  • 第三方平台:如GitHub、GitLab等,提供下载和许可证管理。
  • 自有网站:通过自有网站销售,提供下载链接和许可证。
4. 设置支付系统
  • 支付网关:集成支付网关(如PayPal、Stripe、支付宝等),支持在线支付。
  • 自动化流程:实现支付后自动发送许可证密钥或下载链接。
5. 营销和推广
  • 网站和社交媒体:创建网站和社交媒体账号,宣传插件功能。
  • 演示和教程:提供演示视频和使用教程,吸引用户。
  • 用户反馈:收集用户反馈,持续改进插件。
6. 提供技术支持
  • 客户支持:提供邮件、电话或在线聊天支持,帮助用户解决问题。
  • 更新和维护:定期更新插件,修复漏洞并添加新功能。
7. 法律和合规
  • 用户协议和隐私政策:制定用户协议和隐私政策,确保合规。
  • 知识产权保护:申请专利或版权,保护插件的知识产权。
示例:许可证验证系统(Python)python
Copy
import hashlib import datetime def generate_license_key(user_email, expiration_date): license_string = f"{user_email}{expiration_date}" return hashlib.md5(license_string.encode()).hexdigest() def validate_license_key(user_email, expiration_date, license_key): expected_key = generate_license_key(user_email, expiration_date) return expected_key == license_key and datetime.datetime.now() < datetime.datetime.strptime(expiration_date, "%Y-%m-%d") # Example usage user_email = "[email protected]" expiration_date = "2024-12-31" license_key = generate_license_key(user_email, expiration_date) print("License Key:", license_key) print("Validation Result:", validate_license_key(user_email, expiration_date, license_key))总结通过以上步骤,你可以将ANSYS插件转化为付费应用。关键在于完善功能、集成许可证管理、设置支付系统并进行有效推广,同时提供良好的技术支持,确保用户满意并持续购买。
Powered by Create your own unique website with customizable templates.
  • HOME
  • SHAPE MEMORY MATERIALS/TECHNOLOGY
    • Shape memory alloys >
      • Shape memory alloy actuators
      • Grains and deformation
      • SMA suppliers
    • Shape memory polymers >
      • Thermo-responsive >
        • Heating-responsive >
          • Thermo-plastic elastic SMP >
            • Body/room temperature programmable
          • Thermoset elastic SMP >
            • Body/room temperature programmable
          • Tailoring Tg of polymers via alloying
          • Vitrimer
          • 3D printing filaments
          • Show time
          • Body-temperature programmable elastic shape memory materials: a brief history
        • Cooling-responsive >
          • Cooling-responsive shape memory materials: a brief history
      • Chemo-responsive >
        • Electrospinning: fundametals
        • Natural biopolymers
        • Water-responsive SME: a brief history
      • Hydrogel
      • Simulation of SMP
    • Shape memory hybrids >
      • Electro-activated shape memory hybrid
      • SMHs: tailorable properties
      • Shape memory hybrids: a brief history
    • Triple/multiple SME
    • Reversible/shape change effect
    • Programming conditions
    • Temperature memory effect in DSC
    • Buckling 失稳
    • Constrained recovery of 2way EVA
    • Shape memory structures
    • Shape memory composites
    • Intro. & Refs. >
      • SME in commercial polymers
      • SMM introduction videos
      • PMMA (acrylic)
  • DIY
    • Laser engraving and beyond
    • DIY (step-by-step) to protect power charge cable 自制充电线接头保护层
    • DIY SMP screw 自制形状记忆螺丝
    • DIY shape memory foam 自制形状记忆海绵
    • DIY shape memory shoes 自制形状记忆鞋
    • Modifying superelastic Nitinol 超弹镍钛记忆合金改性
    • Goggles
    • Temple Tip Retainers /眼镜防滑钩
    • Nose pads
    • 硅胶+TPU样品制作 搅拌流程
    • Unlock smart phones
  • PROJECTS
    • Biomedical applications 生物医疗应用 >
      • Self-tightening band aid 自收缩创可贴
      • Self-tightening staple 自收缩手术钉
      • Shape memory plug 形状记忆栓塞
      • Artificial blood vessels
      • Comfort fitting 舒适贴合 >
        • Shape memory shoes 形状记忆鞋
        • Wrist rings/rings
        • Mask口罩 >
          • DIY口罩扣松紧器
          • Mask holder 口罩支架
          • Improved fitting
          • Comfort fitting "invisible" mask 舒适贴合“隐形”口罩 >
            • Animation (mask)
        • Facial mask (面膜)
      • Retractable 可收回
      • Wrinkle removal 除皱
    • SMA devices 形状记忆合金器件 >
      • Buttons-on-demand 按需按钮
      • Sunlight activated heat engine 阳光驱动的热机
      • Adjustable high heel 可调高跟鞋
      • SMA inchworm 形状记忆合金驱动的竹节虫
      • Rolling car 滚动车
      • SMA springs
      • Gripper
    • SMP applications >
      • 4D latte art 4D 拉花 >
        • Spinning 4D latte art
      • Re-writable Braille paper 可复写盲文纸
      • Surface patterning
      • 2D to 3D switching
      • Ear impression/plugs
    • Metals/polymers >
      • Smart manufacturing
      • Powerless cooling
      • Self-healing
      • Sensors 传感器 >
        • Temperature sensors 温度标签
        • Anti-counterfeit labels 防伪标签
      • Vertical gardening 垂直绿化 >
        • 盆景 >
          • In Singapore
        • Products 产品 >
          • Event sponsorship
        • Projects 项目 >
          • A project in Guangzhou (2022)
          • 2nd Project in Guangzhou
          • 3rd Project in Singapore
        • Water on-demand irrigation system
        • Vertical greening panel (2nd type)
        • 2nd type of foam
      • Wearable electronics 可穿戴电子设备
      • Controlled folding/unfolding 可控展开/折叠 >
        • Folding (multiple layered)
        • Reshape & reprogram
      • Active disassembly 自拆卸
      • Morphing wing 变翼
      • Magnetic circuit design
    • Solid state UV cross-linking >
      • Solid-state heating cross-linking
    • Additive manufacturing增材制造 >
      • 3D/4D printing 打印
      • Rapid 3D printing in solid state 快速固态3D打印 >
        • Rapid volumetric additive manufacturing in solid-state: hydrogels
        • UV cross-linkable vitrimer 2022
        • UV cross-linking of solid material
        • UV cross-linking machine
        • Solid-state VAM (3D)
        • SVAM: A brief history
        • Review of Solid state VAM by AI
      • New ways of additive manufacturing (animation)
      • UV-FDM printer
      • Cooling-responsive shape memory hydrogel via FDM
      • 3D fashion >
        • Formation of 3D structures
    • Shape capture
    • Surface capture >
      • Surface pattern for structural coloring
  • Store room
    • References/tools >
      • 3D models >
        • More STL models
        • 生肖
        • 3D printing service
      • Sample dimensions for tensile test
      • Temperature calibration
      • Toolbox工具箱
      • Toolbox II (工具箱 II)
    • Jungle >
      • About polymers >
        • Thermally reversible solid-liquid transition
        • Cyclic loading
        • Mullins effect
        • Photoelsticity 光弹
        • Shear-thickening 剪切增强 >
          • 4 CNA
        • Closed to open cell foams
        • Laser induced graphene
        • Electrospinning
        • Nano imprinting
        • Gel 凝胶 >
          • Instability in wetting of hydrogel
          • Electroactive gel电活性凝胶
        • Cellulose 纤维素
        • Plastic bottle 塑料瓶
        • Polymer recycling
        • Rapid swelling 快速溶胀
        • Rapid hardening in water
        • Patterns
        • Brittle-ductile transition
        • Tan delta >
          • Re-programmable Tan delta
        • UV cross-linking
        • Hardening speed
      • Coloring 变色 >
        • Structural coloring atop curved surfaces
        • Thermochromic 热致变色
        • Photochromic 光致变色
        • Stress induced color change力致变色 >
          • Patterned coloring via stretching 拉出色彩
      • Moire interference 莫尔干涉
      • Lenticular lens
      • Transformation front
      • Contact angle vs surface pattern
      • Laser: applications
      • Insects 昆虫
      • Structural engineer >
        • Static and Dynamic Balancing
        • Introduction videos
        • Bistable structures: a case study >
          • 3D printing of bistable structures
          • Step-wise morphing
        • Yield criterion >
          • Normalized yield surface via GPU
          • Yield surface of SMAs and beyond
        • Buckling of embedded threads
        • Buckling of embedded strip
        • Buckling of strip atop soft substrate
        • Foam structures for packaging
      • Interesting >
        • Exhibition
        • Ideas
      • Experimental >
        • Tensile test
        • Differential Scanning Calorimetry (DSC) Procedure
        • Dynamic Mechanical Analysis (DMA) Procedure
        • Shape Memory Performance Characterization Procedure for Shape Memory Polymers
      • ChatGPT 4 fun
      • 智谱测试
  • Contact
    • SMM course
    • Representative publications
    • Projects of undergraduate students
    • List of videos
    • Special issues| Conferences
    • Companies
    • References