MindMap Gallery Basic mind map of fluid mechanics
This is a basic mind map about fluid mechanics, which summarizes the basic equations of fluid mechanics, An overview of pipe flow and boundary layers, similarity theory, and dimensional analysis.
Edited at 2023-12-04 16:21:31This strategic SWOT analysis explores how Aeon can navigate the competitive online landscape, highlighting strengths, weaknesses, opportunities, and threats. Strengths include strong brand recognition (trusted Japanese heritage, quality), omnichannel capabilities (stores + online + mall integration), customer loyalty programs (Aeon Card, points, member pricing), and physical footprint (extensive store network for pickup/returns). Weaknesses encompass digital maturity gaps (e-commerce penetration, app functionality, personalization vs. Amazon, Alibaba), cost structure challenges (store-heavy, real estate, labor), and supply chain complexity (fresh food, frozen logistics for online). Opportunities include enhancing e-commerce competitiveness (faster delivery, wider assortment, lower minimum order), leveraging data-driven strategies (purchase history, personalized offers, inventory optimization), expanding omnichannel integration (buy online pick up in store, ship from store), and private label growth (Topvalu, localized brands). Threats involve online-first players (Amazon, Alibaba, Sea Limited) with lower costs, wider selection, faster delivery, market dynamics (changing consumer behavior post-COVID, discount competitors), and regulatory risks (data privacy, cross-border e-commerce rules). Aeon can strengthen market position by investing in digital capabilities, leveraging store assets for omnichannel, and using customer data for personalization, while addressing cost structure and online competition.
This analysis explores how Aeon effectively tailors offerings to meet the diverse needs of family-oriented consumers through a comprehensive Segmentation, Targeting, and Positioning (STP) framework. Demographic segmentation examines family life stages (young families with babies, school-aged children, teenagers, empty nesters), household sizes (small vs. large), income levels (mass, premium), and parent age bands (millennials, Gen X). This identifies distinct consumer groups with different spending patterns. Geographic segmentation highlights store catchment types (urban, suburban, rural), community characteristics (density, income, competition), and local preferences (fresh food, halal, Japanese products). Psychographic segmentation delves into family values (health, safety, education, convenience), lifestyle orientations (busy professionals, home-centered, eco-conscious). Behavioral segmentation focuses on shopping missions (daily grocery, weekly stock-up, seasonal shopping), price sensitivity (value seekers, premium), channel preferences (in-store, online, pickup). Needs-based segmentation reveals core family needs related to value (good-better-best pricing), budget considerations (affordability, promotions, member pricing), safety (food quality, product recall), convenience (one-stop shopping, parking, store hours). Targeting prioritizes young families with school-aged children, budget-conscious households, and convenience-seeking shoppers. Positioning emphasizes Aeon as a family-friendly, value-for-money, one-stop destination with Japanese quality and local relevance. These insights enhance family shopping experiences through tailored assortments (kids’ products, school supplies), promotions (family bundles, weekend events), and services (nursing rooms, kids’ play areas).
This Kream Sneaker Consumption Scene Analysis Template aims to visualize purchasing and consumption journeys of sneakers, identifying key demand drivers and obstacles. User behavior within Kream includes searching, bidding, buying, selling, authentication, and community engagement. External influences include brand drops (Nike, Adidas), social media (Instagram, TikTok), influencer hype, and cultural trends. Target categories: limited editions, collaborations, retro releases, performance sneakers, and general releases. Timeframes: launch day, first week, first month, long-term (seasonal, yearly). Regions: North America, Europe, Asia (Korea, China, Japan). User segments: Collectors: value rarity, condition, completeness (box, accessories). KPIs: collection size, spend, authentication rate. Resellers: value profit margin, volume, turnover. KPIs: sell-through rate, average profit, listing frequency. Sneakerheads: value hype, trends, community validation. KPIs: purchase frequency, social engagement, wishlist adds. Casual trend followers: value style, convenience, price. KPIs: conversion rate, average order value, repeat purchases. Gift purchasers: value ease, presentation, brand trust. KPIs: gift message usage, return rate. Consumption journey: Awareness: social media, email, push notifications. Search: browse, filter, search by brand, model, size. Purchase: bid, buy now, payment, shipping. Authentication: inspection, verification, certification. Resale: list, price, sell, transfer. Sharing: review, unboxing, social post, community discussion. Key performance indicators: conversion rate, sell-through rate, average order value, customer lifetime value, authentication pass rate, return rate, Net Promoter Score. This framework helps understand sneaker trading dynamics, user motivations, and touchpoints for engagement and satisfaction.
This strategic SWOT analysis explores how Aeon can navigate the competitive online landscape, highlighting strengths, weaknesses, opportunities, and threats. Strengths include strong brand recognition (trusted Japanese heritage, quality), omnichannel capabilities (stores + online + mall integration), customer loyalty programs (Aeon Card, points, member pricing), and physical footprint (extensive store network for pickup/returns). Weaknesses encompass digital maturity gaps (e-commerce penetration, app functionality, personalization vs. Amazon, Alibaba), cost structure challenges (store-heavy, real estate, labor), and supply chain complexity (fresh food, frozen logistics for online). Opportunities include enhancing e-commerce competitiveness (faster delivery, wider assortment, lower minimum order), leveraging data-driven strategies (purchase history, personalized offers, inventory optimization), expanding omnichannel integration (buy online pick up in store, ship from store), and private label growth (Topvalu, localized brands). Threats involve online-first players (Amazon, Alibaba, Sea Limited) with lower costs, wider selection, faster delivery, market dynamics (changing consumer behavior post-COVID, discount competitors), and regulatory risks (data privacy, cross-border e-commerce rules). Aeon can strengthen market position by investing in digital capabilities, leveraging store assets for omnichannel, and using customer data for personalization, while addressing cost structure and online competition.
This analysis explores how Aeon effectively tailors offerings to meet the diverse needs of family-oriented consumers through a comprehensive Segmentation, Targeting, and Positioning (STP) framework. Demographic segmentation examines family life stages (young families with babies, school-aged children, teenagers, empty nesters), household sizes (small vs. large), income levels (mass, premium), and parent age bands (millennials, Gen X). This identifies distinct consumer groups with different spending patterns. Geographic segmentation highlights store catchment types (urban, suburban, rural), community characteristics (density, income, competition), and local preferences (fresh food, halal, Japanese products). Psychographic segmentation delves into family values (health, safety, education, convenience), lifestyle orientations (busy professionals, home-centered, eco-conscious). Behavioral segmentation focuses on shopping missions (daily grocery, weekly stock-up, seasonal shopping), price sensitivity (value seekers, premium), channel preferences (in-store, online, pickup). Needs-based segmentation reveals core family needs related to value (good-better-best pricing), budget considerations (affordability, promotions, member pricing), safety (food quality, product recall), convenience (one-stop shopping, parking, store hours). Targeting prioritizes young families with school-aged children, budget-conscious households, and convenience-seeking shoppers. Positioning emphasizes Aeon as a family-friendly, value-for-money, one-stop destination with Japanese quality and local relevance. These insights enhance family shopping experiences through tailored assortments (kids’ products, school supplies), promotions (family bundles, weekend events), and services (nursing rooms, kids’ play areas).
This Kream Sneaker Consumption Scene Analysis Template aims to visualize purchasing and consumption journeys of sneakers, identifying key demand drivers and obstacles. User behavior within Kream includes searching, bidding, buying, selling, authentication, and community engagement. External influences include brand drops (Nike, Adidas), social media (Instagram, TikTok), influencer hype, and cultural trends. Target categories: limited editions, collaborations, retro releases, performance sneakers, and general releases. Timeframes: launch day, first week, first month, long-term (seasonal, yearly). Regions: North America, Europe, Asia (Korea, China, Japan). User segments: Collectors: value rarity, condition, completeness (box, accessories). KPIs: collection size, spend, authentication rate. Resellers: value profit margin, volume, turnover. KPIs: sell-through rate, average profit, listing frequency. Sneakerheads: value hype, trends, community validation. KPIs: purchase frequency, social engagement, wishlist adds. Casual trend followers: value style, convenience, price. KPIs: conversion rate, average order value, repeat purchases. Gift purchasers: value ease, presentation, brand trust. KPIs: gift message usage, return rate. Consumption journey: Awareness: social media, email, push notifications. Search: browse, filter, search by brand, model, size. Purchase: bid, buy now, payment, shipping. Authentication: inspection, verification, certification. Resale: list, price, sell, transfer. Sharing: review, unboxing, social post, community discussion. Key performance indicators: conversion rate, sell-through rate, average order value, customer lifetime value, authentication pass rate, return rate, Net Promoter Score. This framework helps understand sneaker trading dynamics, user motivations, and touchpoints for engagement and satisfaction.
fluid mechanics
Physical properties of fluids and hydrostatics
physical properties of fluids
Fluid and continuum assumptions
fluid properties
Density and heaviness
Density is related to temperature and pressure
viscosity
dynamic viscosity
Newton's law of internal friction (usually nonlinear)
changes with temperature
gas
liquid
kinematic viscosity
Compression and expansion
Compressibility
Isothermal compressibility/volume compressibility coefficient
2 expressions
Bulk modulus
Expansion
volume expansion coefficient
2 expressions
liquid properties
Vaporization and cavitation
Vaporization and condensation
Liquids and Vapors
dynamic equilibrium
Saturated vapor pressure/vaporization pressure
cavitation
Liquid absorbs and dissolves air
Liquid pressure is lower than atmospheric pressure and pressure is lower than vaporization pressure
Hazard⚠️
Air plugs form upstream of pipe bubbles, making flow difficult
The bubbles flow into the high-pressure area, causing high pressure and a popping sound.
Surface tension and capillarity
Surface Tension
molecular cohesion
The higher the temperature, the smaller the surface tension
pressure formula
capillarity
The solid-liquid force is greater than the cohesive force, and the concave
The solid-liquid force is less than the cohesive force, and the convex
formula
Fluid classification
Ideal fluids and viscous fluids
Newtonian fluids and non-Newtonian fluids
Compressible fluids and incompressible fluids
Steady flow and unsteady flow
Uniform flow and non-uniform flow
Unary flow, binary flow, ternary flow
image
Viscometer
Rotary viscometer
hydrostatics
Force analysis
quality force
gravity
inertial force
Electromagnetic force
surface force
normal force
pressure
Tangential force
viscous friction
Static Pressure Characteristics and Static Differential Equations
Static pressure characteristics
The size of any point in a stationary fluid has nothing to do with the orientation of the action surface
The hydrostatic pressure is perpendicular to the action surface and points in the direction of the inner normal of the action surface.
statics differential equations
general form
vector form
scalar form
full differential form
Incompressible fluids can only maintain equilibrium under the influence of forces
Isobaric surface equation
absolutely still
A homogeneous continuous incompressible stationary fluid whose mass force is only gravity.
basic equations
Position height/position head
Pressure potential energy/pressure head
Pressure tube head
Static pressure distribution law
in conclusion
Pascal's principle
level
pressure difference
force acting on wall
force
static distance
Point of action (center of pressure)
Resultant force distance
Parallel shift formula
force acting on a surface
vertical component
gravity of pressure body
Pressure body calculation
horizontal component
vertical projection surface pressure
Total pressure and angle
relatively still
Uniform speed linear motion
liquid level equation
Isobaric surface equation
pressure distribution
uniform angular velocity rotation
liquid level equation
Isobaric surface equation
pressure distribution
manometer
U-tube pressure gauge
U-tube differential pressure gauge
Incline micromanometer
Basic equations of fluid mechanics
Two methods of fluid description
Particle tracking method (Lagrangian method)
Lagrangian variables (a,b,c)
time t
Field method (Eulerian method)
total derivative
local acceleration
Migration acceleration
Basic concepts of flow field
trace
trace equation
streamline
streamline equation
nature
Streamlines do not intersect (except at stationary points and singular points) and are smooth curves
Streamlines fill Liuchang
Steady flow, the streamline shape and position do not change with time
Steady flow, streamlines and traces coincide
flow surface
flow tube
Yuanliu
total flow
Overcurrent section
flow
continuity equation
continuity differential equation
compressible fluid
incompressible fluid
Applicable to ideal fluids and real fluids
continuity integral equation
differential equations of motion
Differential equation of motion of ideal fluid Euler equation
Differential equation of motion of viscous incompressible fluid N-S equation
Bernoulli equation
Bernoulli's equation for an ideal fluid along a streamline
formula
Velocity head, pressure head, position head, pressure tube head, total head, total pressure
condition
Ideal fluid, steady flow, mass force, incompressible fluid, along a streamline
physical meaning
The manifestation of the law of conservation of mechanical energy in fluid mechanics
⚠️Attention
Velocity head, pressure head, position head, pressure tube head, total head, total pressure
Bernoulli's equation for total ideal fluid flow
Bernoulli's equation for actual total fluid flow
Bernoulli's equation for relative motion of ideal fluids
Applications of Bernoulli's equation
pitot meter
Venturi flow meter
Momentum integral equation and momentum moment integral equation and their applications
momentum integral equation
momentum moment integral equation
application
Pipe Flow and Boundary Layer Overview
Two flow states of viscous fluid motion
Reynolds number
critical Reynolds number
upper critical Reynolds number
lower critical Reynolds number
Feature size
hydraulic radius
Equivalent radius
pipe flow head loss
Head loss along the way
Darcy's formula
Resistance coefficient along the way
Related to Reynolds number and tube roughness
Pressure loss along the way
local head loss
local drag coefficient
local pressure loss
total energy loss
Laminar flow in a circular tube
speed distribution
Shear stress distribution
Flow calculation
Energy loss along the way
Turbulent motion in a circular tube
pulsation phenomenon
time averaging
speed structure
sticky bottom zone
turbulent core area
Transition zone
Hydraulically smooth tubes and hydraulic roughness
Shear stress distribution of turbulent flow
Section velocity distribution
Determination of local resistance coefficient
Pipe flow hydraulic calculation
Water hammer in pipelines
subtopic
Boundary Layer Overview
Similarity theory and dimensional analysis
Similarity principle
Mechanics are similar
Geometrically similar. .
Similar movements
Similar dynamics
similarity criterion
Pressure, viscous force, gravity, local inertia force, migration inertia force
Number of similar criteria
Reynolds number
Sticky force
Froude number
gravity
Strouhal number
unsteady flow
Euler number
pressure
Dimensional analysis
Units and Dimensions
basic dimensions
Derive dimensions. . :
Commonly used dimensions
dimensional analysis
Index method
Big school method